690273856 has 28 divisors (see below), whose sum is σ = 1374851200. Its totient is φ = 343854720.

The previous prime is 690273851. The next prime is 690273877. The reversal of 690273856 is 658372096.

It is not an unprimeable number, because it can be changed into a prime (690273851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2556 + ... + 37243.

Almost surely, 2^690273856 is an apocalyptic number.

It is an amenable number.

690273856 is a deficient number, since it is larger than the sum of its proper divisors (684577344).

690273856 is a wasteful number, since it uses less digits than its factorization.

690273856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40082 (or 40072 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 690273856 is about 26273.0633158754. The cubic root of 690273856 is about 883.7724822779.

The spelling of 690273856 in words is "six hundred ninety million, two hundred seventy-three thousand, eight hundred fifty-six".