7054398 has 48 divisors (see below), whose sum is σ = 16997040. Its totient is φ = 2167776.

The previous prime is 7054387. The next prime is 7054409. The reversal of 7054398 is 8934507.

It is an interprime number because it is at equal distance from previous prime (7054387) and next prime (7054409).

It is a super-2 number, since 2×7054398² = 99529062284808, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8740 + ... + 9512.

It is an arithmetic number, because the mean of its divisors is an integer number (354105).

Almost surely, 2^7054398 is an apocalyptic number.

7054398 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7054398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8498520).

7054398 is an abundant number, since it is smaller than the sum of its proper divisors (9942642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7054398 is a wasteful number, since it uses less digits than its factorization.

7054398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 7054398 is about 2656.0116716611. The cubic root of 7054398 is about 191.7873622494.

The spelling of 7054398 in words is "seven million, fifty-four thousand, three hundred ninety-eight".