38424994 has 4 divisors (see below), whose sum is σ = 57637494. Its totient is φ = 19212496.

The previous prime is 38424961. The next prime is 38425039. The reversal of 38424994 is 49942483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49942483 = 53 ⋅942311.

It can be written as a sum of positive squares in only one way, i.e., 37638225 + 786769 = 6135^2 + 887^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38424994.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9606247 + ... + 9606250.

Almost surely, 2^38424994 is an apocalyptic number.

38424994 is a deficient number, since it is larger than the sum of its proper divisors (19212500).

38424994 is a wasteful number, since it uses less digits than its factorization.

38424994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19212499.

The product of its digits is 248832, while the sum is 43.

The square root of 38424994 is about 6198.7897205826. The cubic root of 38424994 is about 337.4462473150.

It can be divided in two parts, 3842 and 4994, that added together give a square (8836 = 94²).

The spelling of 38424994 in words is "thirty-eight million, four hundred twenty-four thousand, nine hundred ninety-four".