39274889 has 4 divisors (see below), whose sum is σ = 39287424. Its totient is φ = 39262356.

The previous prime is 39274883. The next prime is 39274891. The reversal of 39274889 is 98847293.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98847293 = 239 ⋅413587.

It is a cyclic number.

It is not a de Polignac number, because 39274889 - 2²⁰ = 38226313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39274883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3104 + ... + 9390.

It is an arithmetic number, because the mean of its divisors is an integer number (9821856).

Almost surely, 2^39274889 is an apocalyptic number.

It is an amenable number.

39274889 is a deficient number, since it is larger than the sum of its proper divisors (12535).

39274889 is an equidigital number, since it uses as much as digits as its factorization.

39274889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12534.

The product of its digits is 870912, while the sum is 50.

The square root of 39274889 is about 6266.9680867226. The cubic root of 39274889 is about 339.9160375141.

The spelling of 39274889 in words is "thirty-nine million, two hundred seventy-four thousand, eight hundred eighty-nine".