969066638 has 8 divisors (see below), whose sum is σ = 1454036832. Its totient is φ = 484387696.

The previous prime is 969066629. The next prime is 969066649. The reversal of 969066638 is 836660969.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 969066638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64295 + ... + 77922.

It is an arithmetic number, because the mean of its divisors is an integer number (181754604).

Almost surely, 2^969066638 is an apocalyptic number.

969066638 is a deficient number, since it is larger than the sum of its proper divisors (484970194).

969066638 is a wasteful number, since it uses less digits than its factorization.

969066638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145626.

The product of its (nonzero) digits is 2519424, while the sum is 53.

The square root of 969066638 is about 31129.8351746359. The cubic root of 969066638 is about 989.5806944519.

The spelling of 969066638 in words is "nine hundred sixty-nine million, sixty-six thousand, six hundred thirty-eight".