38193874 has 4 divisors (see below), whose sum is σ = 57290814. Its totient is φ = 19096936.

The previous prime is 38193863. The next prime is 38193889. The reversal of 38193874 is 47839183.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21095649 + 17098225 = 4593^2 + 4135^2 .

It is a super-2 number, since 2×38193874² = 2917544022255752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38193874.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9548467 + ... + 9548470.

Almost surely, 2^38193874 is an apocalyptic number.

38193874 is a deficient number, since it is larger than the sum of its proper divisors (19096940).

38193874 is a wasteful number, since it uses less digits than its factorization.

38193874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19096939.

The product of its digits is 145152, while the sum is 43.

The square root of 38193874 is about 6180.1192545128. The cubic root of 38193874 is about 336.7683251262.

The spelling of 38193874 in words is "thirty-eight million, one hundred ninety-three thousand, eight hundred seventy-four".