188149350 has 24 divisors (see below), whose sum is σ = 466610760. Its totient is φ = 50173120.

The previous prime is 188149309. The next prime is 188149363. The reversal of 188149350 is 53941881.

It is a junction number, because it is equal to n+sod(n) for n = 188149299 and 188149308.

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 11 ways as a sum of consecutive naturals, for example, 627015 + ... + 627314.

It is an arithmetic number, because the mean of its divisors is an integer number (19442115).

Almost surely, 2^188149350 is an apocalyptic number.

188149350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

188149350 is an abundant number, since it is smaller than the sum of its proper divisors (278461410).

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

188149350 is a wasteful number, since it uses less digits than its factorization.

188149350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254344 (or 1254339 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 188149350 is about 13716.7543537092. The cubic root of 188149350 is about 573.0170890560.

The spelling of 188149350 in words is "one hundred eighty-eight million, one hundred forty-nine thousand, three hundred fifty".