4057400 has 24 divisors (see below), whose sum is σ = 9433920. Its totient is φ = 1622880.

The previous prime is 4057397. The next prime is 4057409. The reversal of 4057400 is 47504.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4057409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9944 + ... + 10343.

It is an arithmetic number, because the mean of its divisors is an integer number (393080).

Almost surely, 2^4057400 is an apocalyptic number.

4057400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4057400 is an abundant number, since it is smaller than the sum of its proper divisors (5376520).

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

4057400 is a wasteful number, since it uses less digits than its factorization.

4057400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20303 (or 20294 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 4057400 is about 2014.2988854686. The cubic root of 4057400 is about 159.4958086968.

The spelling of 4057400 in words is "four million, fifty-seven thousand, four hundred".