2164700 has 18 divisors (see below), whose sum is σ = 4697616. Its totient is φ = 865840.

The previous prime is 2164681. The next prime is 2164739. The reversal of 2164700 is 74612.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10724 + ... + 10923.

2^2164700 is an apocalyptic number.

2164700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2164700 is an abundant number, since it is smaller than the sum of its proper divisors (2532916).

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

2164700 is a wasteful number, since it uses less digits than its factorization.

2164700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21661 (or 21654 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 2164700 is about 1471.2919492745. The cubic root of 2164700 is about 129.3597712866.

The spelling of 2164700 in words is "two million, one hundred sixty-four thousand, seven hundred".