38149516 has 24 divisors (see below), whose sum is σ = 70249536. Its totient is φ = 18103680.

The previous prime is 38149493. The next prime is 38149519. The reversal of 38149516 is 61594183.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (38149519) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2925 + ... + 9211.

It is an arithmetic number, because the mean of its divisors is an integer number (2927064).

Almost surely, 2^38149516 is an apocalyptic number.

It is an amenable number.

38149516 is a deficient number, since it is larger than the sum of its proper divisors (32100020).

38149516 is a wasteful number, since it uses less digits than its factorization.

38149516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6369 (or 6367 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 38149516 is about 6176.5294462182. The cubic root of 38149516 is about 336.6379014515.

The spelling of 38149516 in words is "thirty-eight million, one hundred forty-nine thousand, five hundred sixteen".