690833801 has 6 divisors (see below), whose sum is σ = 803623050. Its totient is φ = 592143216.

The previous prime is 690833797. The next prime is 690833809. The reversal of 690833801 is 108338096.

It can be written as a sum of positive squares in only one way, i.e., 607129600 + 83704201 = 24640^2 + 9149^2 .

It is not a de Polignac number, because 690833801 - 2² = 690833797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (690833809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7049276 + ... + 7049373.

It is an arithmetic number, because the mean of its divisors is an integer number (133937175).

Almost surely, 2^690833801 is an apocalyptic number.

It is an amenable number.

690833801 is a deficient number, since it is larger than the sum of its proper divisors (112789249).

690833801 is a wasteful number, since it uses less digits than its factorization.

690833801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14098663 (or 14098656 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 690833801 is about 26283.7174121166. The cubic root of 690833801 is about 884.0113875706.

The spelling of 690833801 in words is "six hundred ninety million, eight hundred thirty-three thousand, eight hundred one".