690033960 has 576 divisors, whose sum is σ = 2947875840. Its totient is φ = 136857600.

The previous prime is 690033941. The next prime is 690033989. The reversal of 690033960 is 69330096.

It is a super-2 number, since 2×690033960² = 952293731906563200, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 9452484 + ... + 9452556.

It is an arithmetic number, because the mean of its divisors is an integer number (5117840).

Almost surely, 2^690033960 is an apocalyptic number.

690033960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690033960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1473937920).

690033960 is an abundant number, since it is smaller than the sum of its proper divisors (2257841880).

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

690033960 is a wasteful number, since it uses less digits than its factorization.

690033960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 690033960 is about 26268.4974827263. The cubic root of 690033960 is about 883.6700890769.

The spelling of 690033960 in words is "six hundred ninety million, thirty-three thousand, nine hundred sixty".