8690949 has 16 divisors (see below), whose sum is σ = 13007040. Its totient is φ = 5734800.

The previous prime is 8690947. The next prime is 8690951. The reversal of 8690949 is 9490968.

It is an interprime number because it is at equal distance from previous prime (8690947) and next prime (8690951).

It is not a de Polignac number, because 8690949 - 2¹ = 8690947 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8690947) 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, 1134 + ... + 4320.

It is an arithmetic number, because the mean of its divisors is an integer number (812940).

Almost surely, 2^8690949 is an apocalyptic number.

It is an amenable number.

8690949 is a deficient number, since it is larger than the sum of its proper divisors (4316091).

8690949 is a wasteful number, since it uses less digits than its factorization.

8690949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297 (or 3291 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 8690949 is about 2948.0415533028. The cubic root of 8690949 is about 205.5996639484.

The spelling of 8690949 in words is "eight million, six hundred ninety thousand, nine hundred forty-nine".