39132397 has 4 divisors (see below), whose sum is σ = 40481820. Its totient is φ = 37782976.

The previous prime is 39132377. The next prime is 39132433. The reversal of 39132397 is 79323193.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79323193 = 193 ⋅411001.

It can be written as a sum of positive squares in 2 ways, for example, as 21399876 + 17732521 = 4626^2 + 4211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39132397 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 (39132367) 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, 674668 + ... + 674725.

It is an arithmetic number, because the mean of its divisors is an integer number (10120455).

Almost surely, 2^39132397 is an apocalyptic number.

It is an amenable number.

39132397 is a deficient number, since it is larger than the sum of its proper divisors (1349423).

39132397 is a wasteful number, since it uses less digits than its factorization.

39132397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349422.

The product of its digits is 30618, while the sum is 37.

The square root of 39132397 is about 6255.5892608131. The cubic root of 39132397 is about 339.5044597762.

The spelling of 39132397 in words is "thirty-nine million, one hundred thirty-two thousand, three hundred ninety-seven".