769399398 has 40 divisors (see below), whose sum is σ = 1736658792. Its totient is φ = 254587104.

The previous prime is 769399369. The next prime is 769399417. The reversal of 769399398 is 893993967.

769399398 is a `hidden beast` number, since 76 + 93 + 99 + 398 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4861 + ... + 39527.

Almost surely, 2^769399398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 769399398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (868329396).

769399398 is an abundant number, since it is smaller than the sum of its proper divisors (967259394).

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

769399398 is a wasteful number, since it uses less digits than its factorization.

769399398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34818 (or 34809 counting only the distinct ones).

The product of its digits is 19840464, while the sum is 63.

The square root of 769399398 is about 27738.0496430445. The cubic root of 769399398 is about 916.3272755845.

The spelling of 769399398 in words is "seven hundred sixty-nine million, three hundred ninety-nine thousand, three hundred ninety-eight".