39421371 has 16 divisors (see below), whose sum is σ = 60359040. Its totient is φ = 22633920.

The previous prime is 39421363. The next prime is 39421397. The reversal of 39421371 is 17312493.

It is not a de Polignac number, because 39421371 - 2³ = 39421363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39421301) 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, 30810 + ... + 32063.

It is an arithmetic number, because the mean of its divisors is an integer number (3772440).

Almost surely, 2^39421371 is an apocalyptic number.

39421371 is a deficient number, since it is larger than the sum of its proper divisors (20937669).

39421371 is a wasteful number, since it uses less digits than its factorization.

39421371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62906.

The product of its digits is 4536, while the sum is 30.

The square root of 39421371 is about 6278.6440415109. The cubic root of 39421371 is about 340.3381036937.

The spelling of 39421371 in words is "thirty-nine million, four hundred twenty-one thousand, three hundred seventy-one".