4945381 has 8 divisors (see below), whose sum is σ = 5696064. Its totient is φ = 4205760.

The previous prime is 4945373. The next prime is 4945393. The reversal of 4945381 is 1835494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4945381 - 2³ = 4945373 is a prime.

It is a super-2 number, since 2×4945381² = 48913586470322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4945081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1780 + ... + 3613.

It is an arithmetic number, because the mean of its divisors is an integer number (712008).

Almost surely, 2^4945381 is an apocalyptic number.

It is an amenable number.

4945381 is a deficient number, since it is larger than the sum of its proper divisors (750683).

4945381 is a wasteful number, since it uses less digits than its factorization.

4945381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5531.

The product of its digits is 17280, while the sum is 34.

The square root of 4945381 is about 2223.8212608031. The cubic root of 4945381 is about 170.3726657390.

The spelling of 4945381 in words is "four million, nine hundred forty-five thousand, three hundred eighty-one".