38405275 has 6 divisors (see below), whose sum is σ = 47622572. Its totient is φ = 30724200.

The previous prime is 38405267. The next prime is 38405281. The reversal of 38405275 is 57250483.

It is a happy number.

It is not a de Polignac number, because 38405275 - 2³ = 38405267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38405275.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 768081 + ... + 768130.

Almost surely, 2^38405275 is an apocalyptic number.

38405275 is a deficient number, since it is larger than the sum of its proper divisors (9217297).

38405275 is a wasteful number, since it uses less digits than its factorization.

38405275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536221 (or 1536216 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 38405275 is about 6197.1989640482. The cubic root of 38405275 is about 337.3885137026.

The spelling of 38405275 in words is "thirty-eight million, four hundred five thousand, two hundred seventy-five".