690651360 has 480 divisors, whose sum is σ = 2915523072. Its totient is φ = 150543360.

The previous prime is 690651341. The next prime is 690651389. The reversal of 690651360 is 63156096.

It is a tau number, because it is divible by the number of its divisors (480).

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 polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2086395 + ... + 2086725.

Almost surely, 2^690651360 is an apocalyptic number.

690651360 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 690651360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1457761536).

690651360 is an abundant number, since it is smaller than the sum of its proper divisors (2224871712).

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

690651360 is a wasteful number, since it uses less digits than its factorization.

690651360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 690651360 is about 26280.2465741857. The cubic root of 690651360 is about 883.9335617507.

The spelling of 690651360 in words is "six hundred ninety million, six hundred fifty-one thousand, three hundred sixty".