379901281 has 4 divisors (see below), whose sum is σ = 396418752. Its totient is φ = 363383812.

The previous prime is 379901273. The next prime is 379901287. The reversal of 379901281 is 182109973.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 182109973 = 313 ⋅581821.

It is a cyclic number.

It is not a de Polignac number, because 379901281 - 2³ = 379901273 is a prime.

It is a super-2 number, since 2×379901281² = 288649966610881922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (379901287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8258701 + ... + 8258746.

It is an arithmetic number, because the mean of its divisors is an integer number (99104688).

Almost surely, 2^379901281 is an apocalyptic number.

It is an amenable number.

379901281 is a deficient number, since it is larger than the sum of its proper divisors (16517471).

379901281 is a wasteful number, since it uses less digits than its factorization.

379901281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16517470.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 379901281 is about 19491.0564362222. The cubic root of 379901281 is about 724.2529163539.

The spelling of 379901281 in words is "three hundred seventy-nine million, nine hundred one thousand, two hundred eighty-one".