697488100 has 81 divisors (see below), whose sum is σ = 1608977097. Its totient is φ = 262409760.

The previous prime is 697488089. The next prime is 697488137. The reversal of 697488100 is 1884796.

The square root of 697488100 is 26410.

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

It can be written as a sum of positive squares in only one way, i.e., 251095716 + 446392384 = 15846^2 + 21128^2 .

It is a super-2 number, since 2×697488100² = 972979299283220000, which contains 22 as substring.

It is a Duffinian number.

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, 5017831 + ... + 5017969.

Almost surely, 2^697488100 is an apocalyptic number.

697488100 is the 26410-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697488100

697488100 is an abundant number, since it is smaller than the sum of its proper divisors (911488997).

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

697488100 is a wasteful number, since it uses less digits than its factorization.

697488100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The cubic root of 697488100 is about 886.8406687989.

The spelling of 697488100 in words is "six hundred ninety-seven million, four hundred eighty-eight thousand, one hundred".