8969040 has 60 divisors (see below), whose sum is σ = 30123444. Its totient is φ = 2391552.

The previous prime is 8969039. The next prime is 8969041. The reversal of 8969040 is 409698.

It is an interprime number because it is at equal distance from previous prime (8969039) and next prime (8969041).

It can be written as a sum of positive squares in 2 ways, for example, as 5419584 + 3549456 = 2328^2 + 1884^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8968986 and 8969004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8969041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5509 + ... + 6948.

Almost surely, 2^8969040 is an apocalyptic number.

8969040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8969040 is an abundant number, since it is smaller than the sum of its proper divisors (21154404).

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

8969040 is a wasteful number, since it uses less digits than its factorization.

8969040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12476 (or 12467 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 8969040 is about 2994.8355547509. The cubic root of 8969040 is about 207.7695920043.

The spelling of 8969040 in words is "eight million, nine hundred sixty-nine thousand, forty".