4057434 has 24 divisors (see below), whose sum is σ = 8828352. Its totient is φ = 1346760.

The previous prime is 4057423. The next prime is 4057451. The reversal of 4057434 is 4347504.

It is a junction number, because it is equal to n+sod(n) for n = 4057398 and 4057407.

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, 7497 + ... + 8019.

It is an arithmetic number, because the mean of its divisors is an integer number (367848).

Almost surely, 2^4057434 is an apocalyptic number.

4057434 is an abundant number, since it is smaller than the sum of its proper divisors (4770918).

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

4057434 is a wasteful number, since it uses less digits than its factorization.

4057434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 4057434 is about 2014.3073251120. The cubic root of 4057434 is about 159.4962542072.

The spelling of 4057434 in words is "four million, fifty-seven thousand, four hundred thirty-four".