39421338 has 32 divisors (see below), whose sum is σ = 86261760. Its totient is φ = 11910960.

The previous prime is 39421331. The next prime is 39421357. The reversal of 39421338 is 83312493.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 39421299 and 39421308.

It is not an unprimeable number, because it can be changed into a prime (39421331) 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, 30183 + ... + 31461.

It is an arithmetic number, because the mean of its divisors is an integer number (2695680).

Almost surely, 2^39421338 is an apocalyptic number.

39421338 is an abundant number, since it is smaller than the sum of its proper divisors (46840422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39421338 is a wasteful number, since it uses less digits than its factorization.

39421338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762.

The product of its digits is 15552, while the sum is 33.

The square root of 39421338 is about 6278.6414135544. The cubic root of 39421338 is about 340.3380087269.

The spelling of 39421338 in words is "thirty-nine million, four hundred twenty-one thousand, three hundred thirty-eight".