39752149 has 4 divisors (see below), whose sum is σ = 39765664. Its totient is φ = 39738636.

The previous prime is 39752101. The next prime is 39752159. The reversal of 39752149 is 94125793.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 39752149 - 2⁷ = 39752021 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 (39752159) 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, 267 + ... + 8920.

It is an arithmetic number, because the mean of its divisors is an integer number (9941416).

Almost surely, 2^39752149 is an apocalyptic number.

It is an amenable number.

39752149 is a deficient number, since it is larger than the sum of its proper divisors (13515).

39752149 is an equidigital number, since it uses as much as digits as its factorization.

39752149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13514.

The product of its digits is 68040, while the sum is 40.

The square root of 39752149 is about 6304.9305309416. The cubic root of 39752149 is about 341.2873599335.

The spelling of 39752149 in words is "thirty-nine million, seven hundred fifty-two thousand, one hundred forty-nine".