39407995 has 32 divisors (see below), whose sum is σ = 55630080. Its totient is φ = 26490240.

The previous prime is 39407983. The next prime is 39407999. The reversal of 39407995 is 59970493.

It is not a de Polignac number, because 39407995 - 2⁹ = 39407483 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (39407999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44497 + ... + 45373.

It is an arithmetic number, because the mean of its divisors is an integer number (1738440).

Almost surely, 2^39407995 is an apocalyptic number.

39407995 is a deficient number, since it is larger than the sum of its proper divisors (16222085).

39407995 is a wasteful number, since it uses less digits than its factorization.

39407995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 39407995 is about 6277.5787529907. The cubic root of 39407995 is about 340.2996061534.

It can be divided in two parts, 3940 and 7995, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 39407995 in words is "thirty-nine million, four hundred seven thousand, nine hundred ninety-five".