690191196 has 24 divisors (see below), whose sum is σ = 1612089360. Its totient is φ = 229828992.

The previous prime is 690191167. The next prime is 690191239. The reversal of 690191196 is 691191096.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16881 + ... + 40808.

It is an arithmetic number, because the mean of its divisors is an integer number (67170390).

Almost surely, 2^690191196 is an apocalyptic number.

It is an amenable number.

690191196 is an abundant number, since it is smaller than the sum of its proper divisors (921898164).

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

690191196 is a wasteful number, since it uses less digits than its factorization.

690191196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58693 (or 58691 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 42.

The square root of 690191196 is about 26271.4901747122. The cubic root of 690191196 is about 883.7372037436.

The spelling of 690191196 in words is "six hundred ninety million, one hundred ninety-one thousand, one hundred ninety-six".