8978903 has 4 divisors (see below), whose sum is σ = 9092640. Its totient is φ = 8865168.

The previous prime is 8978891. The next prime is 8978909. The reversal of 8978903 is 3098798.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8978903 - 2¹⁸ = 8716759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8978909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56750 + ... + 56907.

It is an arithmetic number, because the mean of its divisors is an integer number (2273160).

Almost surely, 2^8978903 is an apocalyptic number.

8978903 is a deficient number, since it is larger than the sum of its proper divisors (113737).

8978903 is a wasteful number, since it uses less digits than its factorization.

8978903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113736.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 8978903 is about 2996.4817703433. The cubic root of 8978903 is about 207.8457235555.

The spelling of 8978903 in words is "eight million, nine hundred seventy-eight thousand, nine hundred three".