187344964 has 12 divisors (see below), whose sum is σ = 347139324. Its totient is φ = 88162304.

The previous prime is 187344929. The next prime is 187344973. The reversal of 187344964 is 469443781.

It can be written as a sum of positive squares in 2 ways, for example, as 104898564 + 82446400 = 10242^2 + 9080^2 .

It is a super-2 number, since 2×187344964² = 70196271072322592, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1377469 + ... + 1377604.

It is an arithmetic number, because the mean of its divisors is an integer number (28928277).

Almost surely, 2^187344964 is an apocalyptic number.

It is an amenable number.

187344964 is a deficient number, since it is larger than the sum of its proper divisors (159794360).

187344964 is a wasteful number, since it uses less digits than its factorization.

187344964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755094 (or 2755092 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 187344964 is about 13687.4016526147. The cubic root of 187344964 is about 572.1993249615.

The spelling of 187344964 in words is "one hundred eighty-seven million, three hundred forty-four thousand, nine hundred sixty-four".