334149387 has 16 divisors (see below), whose sum is σ = 523423488. Its totient is φ = 186936480.

The previous prime is 334149353. The next prime is 334149401. The reversal of 334149387 is 783941433.

It is not a de Polignac number, because 334149387 - 2¹⁴ = 334133003 is a prime.

It is a super-2 number, since 2×334149387² = 223311625664951538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (334149187) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 389023 + ... + 389880.

It is an arithmetic number, because the mean of its divisors is an integer number (32713968).

Almost surely, 2^334149387 is an apocalyptic number.

334149387 is a deficient number, since it is larger than the sum of its proper divisors (189274101).

334149387 is a wasteful number, since it uses less digits than its factorization.

334149387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778930.

The product of its digits is 217728, while the sum is 42.

The square root of 334149387 is about 18279.7534720794. The cubic root of 334149387 is about 693.9266332484.

The spelling of 334149387 in words is "three hundred thirty-four million, one hundred forty-nine thousand, three hundred eighty-seven".