38149396 has 6 divisors (see below), whose sum is σ = 66761450. Its totient is φ = 19074696.

The previous prime is 38149381. The next prime is 38149399. The reversal of 38149396 is 69394183.

It can be written as a sum of positive squares in only one way, i.e., 36433296 + 1716100 = 6036^2 + 1310^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38149399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4768671 + ... + 4768678.

Almost surely, 2^38149396 is an apocalyptic number.

It is an amenable number.

38149396 is a deficient number, since it is larger than the sum of its proper divisors (28612054).

38149396 is a wasteful number, since it uses less digits than its factorization.

38149396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9537353 (or 9537351 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 38149396 is about 6176.5197320174. The cubic root of 38149396 is about 336.6375484843.

The spelling of 38149396 in words is "thirty-eight million, one hundred forty-nine thousand, three hundred ninety-six".