2013400 has 24 divisors (see below), whose sum is σ = 4681620. Its totient is φ = 805280.

The previous prime is 2013391. The next prime is 2013409. The reversal of 2013400 is 43102.

It is an interprime number because it is at equal distance from previous prime (2013391) and next prime (2013409).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4834 + ... + 5233.

2^2013400 is an apocalyptic number.

2013400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013400 is an abundant number, since it is smaller than the sum of its proper divisors (2668220).

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

2013400 is a wasteful number, since it uses less digits than its factorization.

2013400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10083 (or 10074 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2013400 is about 1418.9432687743. The cubic root of 2013400 is about 126.2728612654.

Adding to 2013400 its reverse (43102), we get a palindrome (2056502).

The spelling of 2013400 in words is "two million, thirteen thousand, four hundred".