690876546 has 16 divisors (see below), whose sum is σ = 1382140800. Its totient is φ = 230227568.

The previous prime is 690876533. The next prime is 690876551. The reversal of 690876546 is 645678096.

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 7 ways as a sum of consecutive naturals, for example, 10360 + ... + 38588.

It is an arithmetic number, because the mean of its divisors is an integer number (86383800).

Almost surely, 2^690876546 is an apocalyptic number.

690876546 is an abundant number, since it is smaller than the sum of its proper divisors (691264254).

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

690876546 is a wasteful number, since it uses less digits than its factorization.

690876546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32313.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The square root of 690876546 is about 26284.5305455509. The cubic root of 690876546 is about 884.0296197838.

The spelling of 690876546 in words is "six hundred ninety million, eight hundred seventy-six thousand, five hundred forty-six".