39152231 has 8 divisors (see below), whose sum is σ = 40204560. Its totient is φ = 38106432.

The previous prime is 39152221. The next prime is 39152237. The reversal of 39152231 is 13225193.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39152231 - 2⁶ = 39152167 is a prime.

It is a super-2 number, since 2×39152231² = 3065794384554722, which contains 22 as substring.

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 39152231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39152237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12005 + ... + 14913.

It is an arithmetic number, because the mean of its divisors is an integer number (5025570).

Almost surely, 2^39152231 is an apocalyptic number.

39152231 is a deficient number, since it is larger than the sum of its proper divisors (1052329).

39152231 is a wasteful number, since it uses less digits than its factorization.

39152231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265.

The product of its digits is 1620, while the sum is 26.

The square root of 39152231 is about 6257.1743622821. The cubic root of 39152231 is about 339.5618086281.

The spelling of 39152231 in words is "thirty-nine million, one hundred fifty-two thousand, two hundred thirty-one".