38252739 has 16 divisors (see below), whose sum is σ = 58406400. Its totient is φ = 21815040.

The previous prime is 38252723. The next prime is 38252759. The reversal of 38252739 is 93725283.

It is not a de Polignac number, because 38252739 - 2⁴ = 38252723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38252697 and 38252706.

It is not an unprimeable number, because it can be changed into a prime (38252759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11059 + ... + 14099.

It is an arithmetic number, because the mean of its divisors is an integer number (3650400).

Almost surely, 2^38252739 is an apocalyptic number.

38252739 is a deficient number, since it is larger than the sum of its proper divisors (20153661).

38252739 is a wasteful number, since it uses less digits than its factorization.

38252739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650.

The product of its digits is 90720, while the sum is 39.

The square root of 38252739 is about 6184.8798694882. The cubic root of 38252739 is about 336.9412472017.

The spelling of 38252739 in words is "thirty-eight million, two hundred fifty-two thousand, seven hundred thirty-nine".