7697898 has 48 divisors (see below), whose sum is σ = 18266976. Its totient is φ = 2328480.

The previous prime is 7697881. The next prime is 7697909. The reversal of 7697898 is 8987967.

It is a d-powerful number, because it can be written as 7⁷ + 6⁶ + 9⁶ + 7⁸ + 8 + 9⁶ + 8 .

Its product of digits (1524096) is a multiple of the sum of its prime divisors (576).

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, 15433 + ... + 15923.

It is an arithmetic number, because the mean of its divisors is an integer number (380562).

Almost surely, 2^7697898 is an apocalyptic number.

7697898 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 7697898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9133488).

7697898 is an abundant number, since it is smaller than the sum of its proper divisors (10569078).

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

7697898 is a wasteful number, since it uses less digits than its factorization.

7697898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 576 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The square root of 7697898 is about 2774.5086051407. The cubic root of 7697898 is about 197.4501118453.

The spelling of 7697898 in words is "seven million, six hundred ninety-seven thousand, eight hundred ninety-eight".