38149242 has 16 divisors (see below), whose sum is σ = 77922432. Its totient is φ = 12445760.

The previous prime is 38149219. The next prime is 38149259. The reversal of 38149242 is 24294183.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67359 + ... + 67922.

It is an arithmetic number, because the mean of its divisors is an integer number (4870152).

Almost surely, 2^38149242 is an apocalyptic number.

38149242 is an abundant number, since it is smaller than the sum of its proper divisors (39773190).

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

38149242 is a wasteful number, since it uses less digits than its factorization.

38149242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135333.

The product of its digits is 13824, while the sum is 33.

The square root of 38149242 is about 6176.5072654373. The cubic root of 38149242 is about 336.6370955085.

The spelling of 38149242 in words is "thirty-eight million, one hundred forty-nine thousand, two hundred forty-two".