2013438 has 16 divisors (see below), whose sum is σ = 4602240. Its totient is φ = 575256.

The previous prime is 2013409. The next prime is 2013439. The reversal of 2013438 is 8343102.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23928 + ... + 24011.

It is an arithmetic number, because the mean of its divisors is an integer number (287640).

2^2013438 is an apocalyptic number.

2013438 is an abundant number, since it is smaller than the sum of its proper divisors (2588802).

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

2013438 is a wasteful number, since it uses less digits than its factorization.

2013438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47951.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2013438 is about 1418.9566589576. The cubic root of 2013438 is about 126.2736556660.

The spelling of 2013438 in words is "two million, thirteen thousand, four hundred thirty-eight".