690089736 has 48 divisors (see below), whose sum is σ = 2006897040. Its totient is φ = 197168160.

The previous prime is 690089731. The next prime is 690089833. The reversal of 690089736 is 637980096.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (690089731) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 292230 + ... + 294581.

It is an arithmetic number, because the mean of its divisors is an integer number (41810355).

Almost surely, 2^690089736 is an apocalyptic number.

It is an amenable number.

690089736 is an abundant number, since it is smaller than the sum of its proper divisors (1316807304).

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

690089736 is a wasteful number, since it uses less digits than its factorization.

690089736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586834 (or 586823 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 690089736 is about 26269.5591131637. The cubic root of 690089736 is about 883.6938976901.

The spelling of 690089736 in words is "six hundred ninety million, eighty-nine thousand, seven hundred thirty-six".