4074381 has 24 divisors (see below), whose sum is σ = 6377280. Its totient is φ = 2598156.

The previous prime is 4074377. The next prime is 4074409. The reversal of 4074381 is 1834704.

It is not a de Polignac number, because 4074381 - 2² = 4074377 is a prime.

It is a super-2 number, since 2×4074381² = 33201161066322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4074281) 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 23 ways as a sum of consecutive naturals, for example, 177136 + ... + 177158.

It is an arithmetic number, because the mean of its divisors is an integer number (265720).

Almost surely, 2^4074381 is an apocalyptic number.

It is an amenable number.

4074381 is a deficient number, since it is larger than the sum of its proper divisors (2302899).

4074381 is an frugal number, since it uses more digits than its factorization.

4074381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56 (or 26 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 4074381 is about 2018.5095986891. The cubic root of 4074381 is about 159.7180058919.

The spelling of 4074381 in words is "four million, seventy-four thousand, three hundred eighty-one".