690801936 has 80 divisors (see below), whose sum is σ = 2061350208. Its totient is φ = 197017600.

The previous prime is 690801931. The next prime is 690801967. The reversal of 690801936 is 639108096.

It is not an unprimeable number, because it can be changed into a prime (690801931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29505 + ... + 47456.

Almost surely, 2^690801936 is an apocalyptic number.

690801936 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

690801936 is an abundant number, since it is smaller than the sum of its proper divisors (1370548272).

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

690801936 is a wasteful number, since it uses less digits than its factorization.

690801936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77000 (or 76994 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 690801936 is about 26283.1112313592. Note that the first 3 decimals coincide. The cubic root of 690801936 is about 883.9977955624.

The spelling of 690801936 in words is "six hundred ninety million, eight hundred one thousand, nine hundred thirty-six".