2061400 has 48 divisors (see below), whose sum is σ = 5234040. Its totient is φ = 748800.

The previous prime is 2061391. The next prime is 2061413. The reversal of 2061400 is 41602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1732 + ... + 2668.

2^2061400 is an apocalyptic number.

2061400 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 2061400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2617020).

2061400 is an abundant number, since it is smaller than the sum of its proper divisors (3172640).

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

2061400 is a wasteful number, since it uses less digits than its factorization.

2061400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2061400 is about 1435.7576397150. The cubic root of 2061400 is about 127.2684506912.

The spelling of 2061400 in words is "two million, sixty-one thousand, four hundred".