978453 has 32 divisors (see below), whose sum is σ = 1720320. Its totient is φ = 537840.

The previous prime is 978449. The next prime is 978457. The reversal of 978453 is 354879.

It is an interprime number because it is at equal distance from previous prime (978449) and next prime (978457).

It is not a de Polignac number, because 978453 - 2² = 978449 is a prime.

It is a Curzon number.

978453 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5776 + ... + 5942.

It is an arithmetic number, because the mean of its divisors is an integer number (53760).

2⁹⁷⁸⁴⁵³ is an apocalyptic number.

978453 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

978453 is a deficient number, since it is larger than the sum of its proper divisors (741867).

978453 is a wasteful number, since it uses less digits than its factorization.

978453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 208 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 978453 is about 989.1678320690. The cubic root of 978453 is about 99.2765454230.

It can be divided in two parts, 978 and 453, that added together give a triangular number (1431 = T₅₃).

The spelling of 978453 in words is "nine hundred seventy-eight thousand, four hundred fifty-three".