690453552 has 20 divisors (see below), whose sum is σ = 1783671800. Its totient is φ = 230151168.

The previous prime is 690453551. The next prime is 690453557. The reversal of 690453552 is 255354096.

It is a super-2 number, since 2×690453552² = 953452214938833408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 690453552.

It is not an unprimeable number, because it can be changed into a prime (690453551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7192177 + ... + 7192272.

It is an arithmetic number, because the mean of its divisors is an integer number (89183590).

Almost surely, 2^690453552 is an apocalyptic number.

It is an amenable number.

690453552 is an abundant number, since it is smaller than the sum of its proper divisors (1093218248).

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

690453552 is a wasteful number, since it uses less digits than its factorization.

690453552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14384460 (or 14384454 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 690453552 is about 26276.4828696688. The cubic root of 690453552 is about 883.8491651769.

The spelling of 690453552 in words is "six hundred ninety million, four hundred fifty-three thousand, five hundred fifty-two".