690828801 has 16 divisors (see below), whose sum is σ = 996420096. Its totient is φ = 423213696.

The previous prime is 690828797. The next prime is 690828823. The reversal of 690828801 is 108828096.

It is not a de Polignac number, because 690828801 - 2² = 690828797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (690828001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31020 + ... + 48413.

It is an arithmetic number, because the mean of its divisors is an integer number (62276256).

Almost surely, 2^690828801 is an apocalyptic number.

It is an amenable number.

690828801 is a deficient number, since it is larger than the sum of its proper divisors (305591295).

690828801 is a wasteful number, since it uses less digits than its factorization.

690828801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79672.

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 690828801 is about 26283.6222960231. The cubic root of 690828801 is about 884.0092548494.

The spelling of 690828801 in words is "six hundred ninety million, eight hundred twenty-eight thousand, eight hundred one".