186349012 has 12 divisors (see below), whose sum is σ = 337356180. Its totient is φ = 89961536.

The previous prime is 186349003. The next prime is 186349049. The reversal of 186349012 is 210943681.

It can be written as a sum of positive squares in 2 ways, for example, as 84015556 + 102333456 = 9166^2 + 10116^2 .

It is a super-2 number, since 2×186349012² = 69451908546752288, 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 3 ways as a sum of consecutive naturals, for example, 803113 + ... + 803344.

It is an arithmetic number, because the mean of its divisors is an integer number (28113015).

Almost surely, 2^186349012 is an apocalyptic number.

It is an amenable number.

186349012 is a deficient number, since it is larger than the sum of its proper divisors (151007168).

186349012 is a wasteful number, since it uses less digits than its factorization.

186349012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606490 (or 1606488 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 186349012 is about 13650.9711009877. The cubic root of 186349012 is about 571.1835589963.

The spelling of 186349012 in words is "one hundred eighty-six million, three hundred forty-nine thousand, twelve".