16854420 has 48 divisors (see below), whose sum is σ = 51484608. Its totient is φ = 4085760.

The previous prime is 16854419. The next prime is 16854437. The reversal of 16854420 is 2445861.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12109 + ... + 13428.

It is an arithmetic number, because the mean of its divisors is an integer number (1072596).

Almost surely, 2^16854420 is an apocalyptic number.

16854420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16854420 is an abundant number, since it is smaller than the sum of its proper divisors (34630188).

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

16854420 is a wasteful number, since it uses less digits than its factorization.

16854420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25560 (or 25558 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 16854420 is about 4105.4134992714. The cubic root of 16854420 is about 256.3920790516.

It can be divided in two parts, 1685 and 4420, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 16854420 in words is "sixteen million, eight hundred fifty-four thousand, four hundred twenty".