690465412 has 24 divisors (see below), whose sum is σ = 1487157056. Its totient is φ = 273151008.

The previous prime is 690465409. The next prime is 690465427. The reversal of 690465412 is 214564096.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948078 + ... + 948805.

Almost surely, 2^690465412 is an apocalyptic number.

It is an amenable number.

690465412 is an abundant number, since it is smaller than the sum of its proper divisors (796691644).

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

690465412 is a wasteful number, since it uses less digits than its factorization.

690465412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896907 (or 1896905 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 690465412 is about 26276.7085457825. The cubic root of 690465412 is about 883.8542258075.

The spelling of 690465412 in words is "six hundred ninety million, four hundred sixty-five thousand, four hundred twelve".