690152900 has 18 divisors (see below), whose sum is σ = 1497632010. Its totient is φ = 276061120.

The previous prime is 690152861. The next prime is 690152929. The reversal of 690152900 is 9251096.

It can be written as a sum of positive squares in 3 ways, for example, as 243422404 + 446730496 = 15602^2 + 21136^2 .

It is a super-2 number, since 2×690152900² = 952622050756820000, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 3450665 + ... + 3450864.

Almost surely, 2^690152900 is an apocalyptic number.

It is an amenable number.

690152900 is an abundant number, since it is smaller than the sum of its proper divisors (807479110).

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

690152900 is a wasteful number, since it uses less digits than its factorization.

690152900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6901543 (or 6901536 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 690152900 is about 26270.7613136734. The cubic root of 690152900 is about 883.7208584053.

The spelling of 690152900 in words is "six hundred ninety million, one hundred fifty-two thousand, nine hundred".