2130933 has 32 divisors (see below), whose sum is σ = 3538944. Its totient is φ = 1112832.

The previous prime is 2130929. The next prime is 2130937. The reversal of 2130933 is 3390312.

It is an interprime number because it is at equal distance from previous prime (2130929) and next prime (2130937).

It is not a de Polignac number, because 2130933 - 2² = 2130929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a Curzon number.

2130933 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130937) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16716 + ... + 16842.

It is an arithmetic number, because the mean of its divisors is an integer number (110592).

2^2130933 is an apocalyptic number.

It is an amenable number.

2130933 is a deficient number, since it is larger than the sum of its proper divisors (1408011).

2130933 is a wasteful number, since it uses less digits than its factorization.

2130933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 2130933 is about 1459.7715574706. The cubic root of 2130933 is about 128.6836186541.

The spelling of 2130933 in words is "two million, one hundred thirty thousand, nine hundred thirty-three".