38166428 has 24 divisors (see below), whose sum is σ = 71360352. Its totient is φ = 17798144.

The previous prime is 38166391. The next prime is 38166431. The reversal of 38166428 is 82466183.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 38166391 and 38166400.

It is a congruent number.

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, 5201 + ... + 10167.

It is an arithmetic number, because the mean of its divisors is an integer number (2973348).

Almost surely, 2^38166428 is an apocalyptic number.

It is an amenable number.

38166428 is a deficient number, since it is larger than the sum of its proper divisors (33193924).

38166428 is a wasteful number, since it uses less digits than its factorization.

38166428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101 (or 5099 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 38166428 is about 6177.8983481440. The cubic root of 38166428 is about 336.6876389031.

The spelling of 38166428 in words is "thirty-eight million, one hundred sixty-six thousand, four hundred twenty-eight".