612949882 has 4 divisors (see below), whose sum is σ = 919424826. Its totient is φ = 306474940.

The previous prime is 612949867. The next prime is 612949891. The reversal of 612949882 is 288949216.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 422261401 + 190688481 = 20549^2 + 13809^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153237469 + ... + 153237472.

Almost surely, 2^612949882 is an apocalyptic number.

612949882 is a deficient number, since it is larger than the sum of its proper divisors (306474944).

612949882 is a wasteful number, since it uses less digits than its factorization.

612949882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306474943.

The product of its digits is 497664, while the sum is 49.

The square root of 612949882 is about 24757.8246621144. The cubic root of 612949882 is about 849.4575001980.

The spelling of 612949882 in words is "six hundred twelve million, nine hundred forty-nine thousand, eight hundred eighty-two".