690602616 has 48 divisors (see below), whose sum is σ = 2040419160. Its totient is φ = 209273280.

The previous prime is 690602603. The next prime is 690602621. The reversal of 690602616 is 616206096.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 435195 + ... + 436778.

Almost surely, 2^690602616 is an apocalyptic number.

690602616 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

690602616 is an abundant number, since it is smaller than the sum of its proper divisors (1349816544).

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

690602616 is a wasteful number, since it uses less digits than its factorization.

690602616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871996 (or 871989 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 690602616 is about 26279.3191692631. The cubic root of 690602616 is about 883.9127661782.

It can be divided in two parts, 690 and 602616, that added together give a palindrome (603306).

The spelling of 690602616 in words is "six hundred ninety million, six hundred two thousand, six hundred sixteen".