1802164 has 24 divisors (see below), whose sum is σ = 3882368. Its totient is φ = 712800.

The previous prime is 1802149. The next prime is 1802189. The reversal of 1802164 is 4612081.

It is a super-3 number, since 3×1802164³ = 17559178133316560832, which contains 333 as substring.

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, 2112 + ... + 2839.

2^1802164 is an apocalyptic number.

1802164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1802164 is an abundant number, since it is smaller than the sum of its proper divisors (2080204).

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

1802164 is a wasteful number, since it uses less digits than its factorization.

1802164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4975 (or 4973 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1802164 is about 1342.4470194388. The cubic root of 1802164 is about 121.6927681120.

The spelling of 1802164 in words is "one million, eight hundred two thousand, one hundred sixty-four".