18854364 has 24 divisors (see below), whose sum is σ = 44078608. Its totient is φ = 6272640.

The previous prime is 18854359. The next prime is 18854369. The reversal of 18854364 is 46345881.

It is an interprime number because it is at equal distance from previous prime (18854359) and next prime (18854369).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18854369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6744 + ... + 9120.

Almost surely, 2^18854364 is an apocalyptic number.

It is an amenable number.

18854364 is an abundant number, since it is smaller than the sum of its proper divisors (25224244).

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

18854364 is a wasteful number, since it uses less digits than its factorization.

18854364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045 (or 3043 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 18854364 is about 4342.1612130367. The cubic root of 18854364 is about 266.1566341503.

The spelling of 18854364 in words is "eighteen million, eight hundred fifty-four thousand, three hundred sixty-four".