38749151 has 12 divisors (see below), whose sum is σ = 47449080. Its totient is φ = 31464720.

The previous prime is 38749147. The next prime is 38749159. The reversal of 38749151 is 15194783.

It is not a de Polignac number, because 38749151 - 2² = 38749147 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38749159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19880 + ... + 21741.

It is an arithmetic number, because the mean of its divisors is an integer number (3954090).

Almost surely, 2^38749151 is an apocalyptic number.

38749151 is a deficient number, since it is larger than the sum of its proper divisors (8699929).

38749151 is a wasteful number, since it uses less digits than its factorization.

38749151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41654 (or 41647 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 38749151 is about 6224.8816052998. The cubic root of 38749151 is about 338.3925012124.

The spelling of 38749151 in words is "thirty-eight million, seven hundred forty-nine thousand, one hundred fifty-one".