39486213 has 12 divisors (see below), whose sum is σ = 61423180. Its totient is φ = 24299136.

The previous prime is 39486203. The next prime is 39486217. The reversal of 39486213 is 31268493.

It can be written as a sum of positive squares in 2 ways, for example, as 25220484 + 14265729 = 5022^2 + 3777^2 .

It is not a de Polignac number, because 39486213 - 2¹² = 39482117 is a prime.

It is a super-2 number, since 2×39486213² = 3118322034162738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39486217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168628 + ... + 168861.

Almost surely, 2^39486213 is an apocalyptic number.

It is an amenable number.

39486213 is a deficient number, since it is larger than the sum of its proper divisors (21936967).

39486213 is a wasteful number, since it uses less digits than its factorization.

39486213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337508 (or 337505 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 39486213 is about 6283.8056144346. The cubic root of 39486213 is about 340.5246024905.

The spelling of 39486213 in words is "thirty-nine million, four hundred eighty-six thousand, two hundred thirteen".