39950769 has 16 divisors (see below), whose sum is σ = 54774720. Its totient is φ = 25885440.

The previous prime is 39950767. The next prime is 39950773. The reversal of 39950769 is 96705993.

It is a happy number.

It is not a de Polignac number, because 39950769 - 2¹ = 39950767 is a prime.

It is a super-2 number, since 2×39950769² = 3192127887382722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39950761) 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, 46189 + ... + 47045.

It is an arithmetic number, because the mean of its divisors is an integer number (3423420).

Almost surely, 2^39950769 is an apocalyptic number.

It is an amenable number.

39950769 is a deficient number, since it is larger than the sum of its proper divisors (14823951).

39950769 is a wasteful number, since it uses less digits than its factorization.

39950769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280.

The product of its (nonzero) digits is 459270, while the sum is 48.

The square root of 39950769 is about 6320.6620697519. The cubic root of 39950769 is about 341.8548253577.

The spelling of 39950769 in words is "thirty-nine million, nine hundred fifty thousand, seven hundred sixty-nine".