39244493 has 2 divisors, whose sum is σ = 39244494. Its totient is φ = 39244492.

The previous prime is 39244489. The next prime is 39244507. The reversal of 39244493 is 39444293.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38464804 + 779689 = 6202^2 + 883^2 .

It is a cyclic number.

It is not a de Polignac number, because 39244493 - 2² = 39244489 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39244393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19622246 + 19622247.

It is an arithmetic number, because the mean of its divisors is an integer number (19622247).

Almost surely, 2^39244493 is an apocalyptic number.

It is an amenable number.

39244493 is a deficient number, since it is larger than the sum of its proper divisors (1).

39244493 is an equidigital number, since it uses as much as digits as its factorization.

39244493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 38.

The square root of 39244493 is about 6264.5425212062. The cubic root of 39244493 is about 339.8283245189.

The spelling of 39244493 in words is "thirty-nine million, two hundred forty-four thousand, four hundred ninety-three".