4057380 has 36 divisors (see below), whose sum is σ = 12307932. Its totient is φ = 1081920.

The previous prime is 4057379. The next prime is 4057381. The reversal of 4057380 is 837504.

It is an interprime number because it is at equal distance from previous prime (4057379) and next prime (4057381).

It can be written as a sum of positive squares in 2 ways, for example, as 2377764 + 1679616 = 1542^2 + 1296^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (4057381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11091 + ... + 11450.

It is an arithmetic number, because the mean of its divisors is an integer number (341887).

Almost surely, 2^4057380 is an apocalyptic number.

It is an amenable number.

4057380 is an abundant number, since it is smaller than the sum of its proper divisors (8250552).

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

4057380 is a wasteful number, since it uses less digits than its factorization.

4057380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22556 (or 22551 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 4057380 is about 2014.2939209559. The cubic root of 4057380 is about 159.4955466306.

The spelling of 4057380 in words is "four million, fifty-seven thousand, three hundred eighty".