690953796 has 81 divisors (see below), whose sum is σ = 1896893271. Its totient is φ = 211970304.

The previous prime is 690953789. The next prime is 690953801. The reversal of 690953796 is 697359096.

The square root of 690953796 is 26286.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 239816196 + 451137600 = 15486^2 + 21240^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2050140 + ... + 2050476.

Almost surely, 2^690953796 is an apocalyptic number.

690953796 is the 26286-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690953796

690953796 is an abundant number, since it is smaller than the sum of its proper divisors (1205939475).

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

690953796 is a wasteful number, since it uses less digits than its factorization.

690953796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 2755620, while the sum is 54.

The cubic root of 690953796 is about 884.0625676591.

The spelling of 690953796 in words is "six hundred ninety million, nine hundred fifty-three thousand, seven hundred ninety-six".