18976485 has 32 divisors (see below), whose sum is σ = 33841152. Its totient is φ = 9001280.

The previous prime is 18976483. The next prime is 18976487. The reversal of 18976485 is 58467981.

It is an interprime number because it is at equal distance from previous prime (18976483) and next prime (18976487).

It is not a de Polignac number, because 18976485 - 2¹ = 18976483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18976483) 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, 6532 + ... + 8978.

It is an arithmetic number, because the mean of its divisors is an integer number (1057536).

Almost surely, 2^18976485 is an apocalyptic number.

18976485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18976485 is a deficient number, since it is larger than the sum of its proper divisors (14864667).

18976485 is a wasteful number, since it uses less digits than its factorization.

18976485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513.

The product of its digits is 483840, while the sum is 48.

The square root of 18976485 is about 4356.2007529498. The cubic root of 18976485 is about 266.7300361552.

It can be divided in two parts, 18 and 976485, that added together give a triangular number (976503 = T₁₃₉₇).

The spelling of 18976485 in words is "eighteen million, nine hundred seventy-six thousand, four hundred eighty-five".