690303944 has 32 divisors (see below), whose sum is σ = 1417132800. Its totient is φ = 312630720.

The previous prime is 690303941. The next prime is 690303947. The reversal of 690303944 is 449303096.

It is an interprime number because it is at equal distance from previous prime (690303941) and next prime (690303947).

It is a junction number, because it is equal to n+sod(n) for n = 690303898 and 690303907.

It is not an unprimeable number, because it can be changed into a prime (690303941) 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 7 ways as a sum of consecutive naturals, for example, 10217 + ... + 38535.

It is an arithmetic number, because the mean of its divisors is an integer number (44285400).

Almost surely, 2^690303944 is an apocalyptic number.

It is an amenable number.

690303944 is an abundant number, since it is smaller than the sum of its proper divisors (726828856).

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

690303944 is a wasteful number, since it uses less digits than its factorization.

690303944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28613 (or 28609 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 690303944 is about 26273.6359113085. The cubic root of 690303944 is about 883.7853228627.

The spelling of 690303944 in words is "six hundred ninety million, three hundred three thousand, nine hundred forty-four".