213916902 has 16 divisors (see below), whose sum is σ = 429611952. Its totient is φ = 71009280.

The previous prime is 213916897. The next prime is 213916907. The reversal of 213916902 is 209619312.

It is an interprime number because it is at equal distance from previous prime (213916897) and next prime (213916907).

It is a super-2 number, since 2×213916902² = 91520881922555208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213916907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72523 + ... + 75414.

It is an arithmetic number, because the mean of its divisors is an integer number (26850747).

Almost surely, 2^213916902 is an apocalyptic number.

213916902 is an abundant number, since it is smaller than the sum of its proper divisors (215695050).

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

213916902 is a wasteful number, since it uses less digits than its factorization.

213916902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148183.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 213916902 is about 14625.8983313846. The cubic root of 213916902 is about 598.0649717068.

The spelling of 213916902 in words is "two hundred thirteen million, nine hundred sixteen thousand, nine hundred two".