2133900 has 54 divisors (see below), whose sum is σ = 6691412. Its totient is φ = 568800.

The previous prime is 2133899. The next prime is 2133949. The reversal of 2133900 is 93312.

2133900 = T₃₈₄ + T₃₈₅ + ... + T₄₁₀.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 286 + ... + 2085.

2^2133900 is an apocalyptic number.

2133900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2133900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3345706).

2133900 is an abundant number, since it is smaller than the sum of its proper divisors (4557512).

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

2133900 is a wasteful number, since it uses less digits than its factorization.

2133900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391 (or 2381 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 2133900 is about 1460.7874588728. The cubic root of 2133900 is about 128.7433150769.

The spelling of 2133900 in words is "two million, one hundred thirty-three thousand, nine hundred".