39047413 has 4 divisors (see below), whose sum is σ = 41102560. Its totient is φ = 36992268.

The previous prime is 39047389. The next prime is 39047423. The reversal of 39047413 is 31474093.

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 an emirpimes, since its reverse is a distinct semiprime: 31474093 = 7 ⋅4496299.

It is a cyclic number.

It is not a de Polignac number, because 39047413 - 2⁹ = 39046901 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 (39047423) 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, 1027545 + ... + 1027582.

It is an arithmetic number, because the mean of its divisors is an integer number (10275640).

Almost surely, 2^39047413 is an apocalyptic number.

It is an amenable number.

39047413 is a deficient number, since it is larger than the sum of its proper divisors (2055147).

39047413 is a wasteful number, since it uses less digits than its factorization.

39047413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055146.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 39047413 is about 6248.7929234373. The cubic root of 39047413 is about 339.2585138695.

The spelling of 39047413 in words is "thirty-nine million, forty-seven thousand, four hundred thirteen".