39413 has 4 divisors (see below), whose sum is σ = 43008. Its totient is φ = 35820.

The previous prime is 39409. The next prime is 39419. The reversal of 39413 is 31493.

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.

It is a cyclic number.

It is not a de Polignac number, because 39413 - 2² = 39409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39419) 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, 1781 + ... + 1802.

It is an arithmetic number, because the mean of its divisors is an integer number (10752).

2³⁹⁴¹³ is an apocalyptic number.

It is an amenable number.

39413 is a deficient number, since it is larger than the sum of its proper divisors (3595).

39413 is a wasteful number, since it uses less digits than its factorization.

39413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3594.

The product of its digits is 324, while the sum is 20.

The square root of 39413 is about 198.5270762390. The cubic root of 39413 is about 34.0314012092.

Subtracting from 39413 its sum of digits (20), we obtain a palindrome (39393).

The spelling of 39413 in words is "thirty-nine thousand, four hundred thirteen".