4057620 has 48 divisors (see below), whose sum is σ = 12985728. Its totient is φ = 927360.

The previous prime is 4057601. The next prime is 4057631. The reversal of 4057620 is 267504.

It is a happy number.

4057620 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

4057620 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4411 + ... + 5250.

It is an arithmetic number, because the mean of its divisors is an integer number (270536).

Almost surely, 2^4057620 is an apocalyptic number.

It is an amenable number.

4057620 is an abundant number, since it is smaller than the sum of its proper divisors (8928108).

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

4057620 is a wasteful number, since it uses less digits than its factorization.

4057620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9680 (or 9678 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 4057620 is about 2014.3534943003. The cubic root of 4057620 is about 159.4986913674.

The spelling of 4057620 in words is "four million, fifty-seven thousand, six hundred twenty".