212386494 has 16 divisors (see below), whose sum is σ = 426343680. Its totient is φ = 70533720.

The previous prime is 212386453. The next prime is 212386597. The reversal of 212386494 is 494683212.

212386494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212386494² = 90216045667224072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63684 + ... + 66935.

It is an arithmetic number, because the mean of its divisors is an integer number (26646480).

Almost surely, 2^212386494 is an apocalyptic number.

212386494 is an abundant number, since it is smaller than the sum of its proper divisors (213957186).

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

212386494 is a wasteful number, since it uses less digits than its factorization.

212386494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130895.

The product of its digits is 82944, while the sum is 39.

The square root of 212386494 is about 14573.4859934060. The cubic root of 212386494 is about 596.6353280185.

The spelling of 212386494 in words is "two hundred twelve million, three hundred eighty-six thousand, four hundred ninety-four".