213697802 has 8 divisors (see below), whose sum is σ = 326594916. Its totient is φ = 104832832.

The previous prime is 213697789. The next prime is 213697873. The reversal of 213697802 is 208796312.

It can be written as a sum of positive squares in 2 ways, for example, as 210279001 + 3418801 = 14501^2 + 1849^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1007903 + ... + 1008114.

Almost surely, 2^213697802 is an apocalyptic number.

213697802 is a deficient number, since it is larger than the sum of its proper divisors (112897114).

213697802 is a wasteful number, since it uses less digits than its factorization.

213697802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016072.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 213697802 is about 14618.4062742831. The cubic root of 213697802 is about 597.8607166954.

The spelling of 213697802 in words is "two hundred thirteen million, six hundred ninety-seven thousand, eight hundred two".