18428496 has 40 divisors (see below), whose sum is σ = 47779680. Its totient is φ = 6120576.

The previous prime is 18428483. The next prime is 18428507. The reversal of 18428496 is 69482481.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17686 + ... + 18698.

It is an arithmetic number, because the mean of its divisors is an integer number (1194492).

Almost surely, 2^18428496 is an apocalyptic number.

18428496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18428496 is an abundant number, since it is smaller than the sum of its proper divisors (29351184).

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

18428496 is a wasteful number, since it uses less digits than its factorization.

18428496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403 (or 1397 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 18428496 is about 4292.8424149973. The cubic root of 18428496 is about 264.1374399140.

It can be divided in two parts, 184 and 28496, that added together give a triangular number (28680 = T₂₃₉).

The spelling of 18428496 in words is "eighteen million, four hundred twenty-eight thousand, four hundred ninety-six".