969829638 has 32 divisors (see below), whose sum is σ = 2025533952. Its totient is φ = 308985600.

The previous prime is 969829633. The next prime is 969829649. The reversal of 969829638 is 836928969.

It is a super-2 number, since 2×969829638² = 1881139053486422088, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969829633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317398 + ... + 320438.

It is an arithmetic number, because the mean of its divisors is an integer number (63297936).

Almost surely, 2^969829638 is an apocalyptic number.

969829638 is an abundant number, since it is smaller than the sum of its proper divisors (1055704314).

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

969829638 is a wasteful number, since it uses less digits than its factorization.

969829638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5380.

The product of its digits is 10077696, while the sum is 60.

The square root of 969829638 is about 31142.0878876160. The cubic root of 969829638 is about 989.8403436038.

The spelling of 969829638 in words is "nine hundred sixty-nine million, eight hundred twenty-nine thousand, six hundred thirty-eight".