8670939 has 16 divisors (see below), whose sum is σ = 11848320. Its totient is φ = 5639040.

The previous prime is 8670919. The next prime is 8670941. The reversal of 8670939 is 9390768.

It is a happy number.

8670939 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8670939 - 2⁷ = 8670811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8670939.

It is not an unprimeable number, because it can be changed into a prime (8670919) 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, 35859 + ... + 36099.

It is an arithmetic number, because the mean of its divisors is an integer number (740520).

Almost surely, 2^8670939 is an apocalyptic number.

8670939 is a deficient number, since it is larger than the sum of its proper divisors (3177381).

8670939 is a wasteful number, since it uses less digits than its factorization.

8670939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 8670939 is about 2944.6458191097. The cubic root of 8670939 is about 205.4417521289.

The spelling of 8670939 in words is "eight million, six hundred seventy thousand, nine hundred thirty-nine".