690496512 has 44 divisors (see below), whose sum is σ = 1840433136. Its totient is φ = 230164480.

The previous prime is 690496507. The next prime is 690496517. The reversal of 690496512 is 215694096.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (690496507) and next prime (690496517).

It is a super-2 number, since 2×690496512² = 953570866168332288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (690496517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109314 + ... + 115457.

Almost surely, 2^690496512 is an apocalyptic number.

It is an amenable number.

690496512 is an abundant number, since it is smaller than the sum of its proper divisors (1149936624).

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

690496512 is a wasteful number, since it uses less digits than its factorization.

690496512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224794 (or 224776 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 690496512 is about 26277.3003179550. The cubic root of 690496512 is about 883.8674958199.

The spelling of 690496512 in words is "six hundred ninety million, four hundred ninety-six thousand, five hundred twelve".