39574421 has 16 divisors (see below), whose sum is σ = 42699648. Its totient is φ = 36590400.

The previous prime is 39574391. The next prime is 39574429. The reversal of 39574421 is 12447593.

It is a cyclic number.

It is not a de Polignac number, because 39574421 - 2¹⁴ = 39558037 is a prime.

It is a super-2 number, since 2×39574421² = 3132269594970482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39574429) 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, 93791 + ... + 94211.

It is an arithmetic number, because the mean of its divisors is an integer number (2668728).

Almost surely, 2^39574421 is an apocalyptic number.

It is an amenable number.

39574421 is a deficient number, since it is larger than the sum of its proper divisors (3125227).

39574421 is a wasteful number, since it uses less digits than its factorization.

39574421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572.

The product of its digits is 30240, while the sum is 35.

The square root of 39574421 is about 6290.8203757539. The cubic root of 39574421 is about 340.7779791595. Note that the first 3 decimals are identical.

The spelling of 39574421 in words is "thirty-nine million, five hundred seventy-four thousand, four hundred twenty-one".