187394012 has 12 divisors (see below), whose sum is σ = 353165736. Its totient is φ = 86489520.

The previous prime is 187394003. The next prime is 187394023. The reversal of 187394012 is 210493781.

It is a super-2 number, since 2×187394012² = 70233031466912288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1801814 + ... + 1801917.

It is an arithmetic number, because the mean of its divisors is an integer number (29430478).

Almost surely, 2^187394012 is an apocalyptic number.

It is an amenable number.

187394012 is a deficient number, since it is larger than the sum of its proper divisors (165771724).

187394012 is a wasteful number, since it uses less digits than its factorization.

187394012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3603748 (or 3603746 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 187394012 is about 13689.1932559958. The cubic root of 187394012 is about 572.2492556403.

The spelling of 187394012 in words is "one hundred eighty-seven million, three hundred ninety-four thousand, twelve".