690970488 has 64 divisors (see below), whose sum is σ = 1862814240. Its totient is φ = 212319744.

The previous prime is 690970459. The next prime is 690970517. The reversal of 690970488 is 884079096.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (690970459) and next prime (690970517).

It is a self number, because there is not a number n which added to its sum of digits gives 690970488.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427570 + ... + 429182.

Almost surely, 2^690970488 is an apocalyptic number.

It is an amenable number.

690970488 is an abundant number, since it is smaller than the sum of its proper divisors (1171843752).

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

690970488 is a wasteful number, since it uses less digits than its factorization.

690970488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008 (or 3004 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 690970488 is about 26286.3175055008. The cubic root of 690970488 is about 884.0696866366.

The spelling of 690970488 in words is "six hundred ninety million, nine hundred seventy thousand, four hundred eighty-eight".