8863491 has 16 divisors (see below), whose sum is σ = 14545664. Its totient is φ = 4675104.

The previous prime is 8863471. The next prime is 8863493. The reversal of 8863491 is 1943688.

8863491 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8863491 - 2¹⁰ = 8862467 is a prime.

It is a super-2 number, since 2×8863491² = 157122945414162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (8863493) 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, 15961 + ... + 16506.

It is an arithmetic number, because the mean of its divisors is an integer number (909104).

Almost surely, 2^8863491 is an apocalyptic number.

8863491 is a deficient number, since it is larger than the sum of its proper divisors (5682173).

8863491 is a wasteful number, since it uses less digits than its factorization.

8863491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32490.

The product of its digits is 41472, while the sum is 39.

The square root of 8863491 is about 2977.1615676681. The cubic root of 8863491 is about 206.9513526607.

The spelling of 8863491 in words is "eight million, eight hundred sixty-three thousand, four hundred ninety-one".