39370993 has 4 divisors (see below), whose sum is σ = 39869440. Its totient is φ = 38872548.

The previous prime is 39370987. The next prime is 39370999. The reversal of 39370993 is 39907393.

It is a happy number.

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.

It is an interprime number because it is at equal distance from previous prime (39370987) and next prime (39370999).

It is a cyclic number.

It is not a de Polignac number, because 39370993 - 2⁹ = 39370481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39370999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249105 + ... + 249262.

It is an arithmetic number, because the mean of its divisors is an integer number (9967360).

Almost surely, 2^39370993 is an apocalyptic number.

It is an amenable number.

39370993 is a deficient number, since it is larger than the sum of its proper divisors (498447).

39370993 is an equidigital number, since it uses as much as digits as its factorization.

39370993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498446.

The product of its (nonzero) digits is 137781, while the sum is 43.

The square root of 39370993 is about 6274.6309054796. The cubic root of 39370993 is about 340.1930650899.

The spelling of 39370993 in words is "thirty-nine million, three hundred seventy thousand, nine hundred ninety-three".