39893073 has 16 divisors (see below), whose sum is σ = 58895616. Its totient is φ = 23815440.

The previous prime is 39893071. The next prime is 39893129. The reversal of 39893073 is 37039893.

It is a happy number.

It is not a de Polignac number, because 39893073 - 2¹ = 39893071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39893071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6811 + ... + 11232.

It is an arithmetic number, because the mean of its divisors is an integer number (3680976).

Almost surely, 2^39893073 is an apocalyptic number.

39893073 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

39893073 is a deficient number, since it is larger than the sum of its proper divisors (19002543).

39893073 is a wasteful number, since it uses less digits than its factorization.

39893073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18124.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 39893073 is about 6316.0963418871. The cubic root of 39893073 is about 341.6901797289.

The spelling of 39893073 in words is "thirty-nine million, eight hundred ninety-three thousand, seventy-three".