7912398 has 48 divisors (see below), whose sum is σ = 18050256. Its totient is φ = 2298240.

The previous prime is 7912363. The next prime is 7912433. The reversal of 7912398 is 8932197.

It is an interprime number because it is at equal distance from previous prime (7912363) and next prime (7912433).

It is a super-2 number, since 2×7912398² = 125212084220808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28018 + ... + 28298.

It is an arithmetic number, because the mean of its divisors is an integer number (376047).

Almost surely, 2^7912398 is an apocalyptic number.

7912398 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 7912398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9025128).

7912398 is an abundant number, since it is smaller than the sum of its proper divisors (10137858).

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

7912398 is a wasteful number, since it uses less digits than its factorization.

7912398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 318 counting only the distinct ones).

The product of its digits is 27216, while the sum is 39.

The square root of 7912398 is about 2812.8985051011. The cubic root of 7912398 is about 199.2673023822.

The spelling of 7912398 in words is "seven million, nine hundred twelve thousand, three hundred ninety-eight".