8949540 has 24 divisors (see below), whose sum is σ = 25058880. Its totient is φ = 2386528.

The previous prime is 8949517. The next prime is 8949557. The reversal of 8949540 is 459498.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74520 + ... + 74639.

It is an arithmetic number, because the mean of its divisors is an integer number (1044120).

Almost surely, 2^8949540 is an apocalyptic number.

It is an amenable number.

8949540 is an abundant number, since it is smaller than the sum of its proper divisors (16109340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8949540 is a wasteful number, since it uses less digits than its factorization.

8949540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149171 (or 149169 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 8949540 is about 2991.5781788213. The cubic root of 8949540 is about 207.6189089589.

The spelling of 8949540 in words is "eight million, nine hundred forty-nine thousand, five hundred forty".