213612498 has 64 divisors (see below), whose sum is σ = 520151040. Its totient is φ = 64443600.

The previous prime is 213612493. The next prime is 213612499. The reversal of 213612498 is 894216312.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (213612493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160311 + ... + 161637.

It is an arithmetic number, because the mean of its divisors is an integer number (8127360).

Almost surely, 2^213612498 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213612498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260075520).

213612498 is an abundant number, since it is smaller than the sum of its proper divisors (306538542).

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

213612498 is a wasteful number, since it uses less digits than its factorization.

213612498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620 (or 1614 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 213612498 is about 14615.4882915351. The cubic root of 213612498 is about 597.7811546570.

The spelling of 213612498 in words is "two hundred thirteen million, six hundred twelve thousand, four hundred ninety-eight".