690001912 has 64 divisors (see below), whose sum is σ = 1356289920. Its totient is φ = 328867968.

The previous prime is 690001889. The next prime is 690001919. The reversal of 690001912 is 219100096.

It is a super-2 number, since 2×690001912² = 952205277127311488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690001919) 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, 3039543 + ... + 3039769.

It is an arithmetic number, because the mean of its divisors is an integer number (21192030).

Almost surely, 2^690001912 is an apocalyptic number.

It is an amenable number.

690001912 is a deficient number, since it is larger than the sum of its proper divisors (666288008).

690001912 is a wasteful number, since it uses less digits than its factorization.

690001912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 690001912 is about 26267.8874674002. The cubic root of 690001912 is about 883.6564084471.

The spelling of 690001912 in words is "six hundred ninety million, one thousand, nine hundred twelve".