2401881 has 8 divisors (see below), whose sum is σ = 3234624. Its totient is φ = 1585200.

The previous prime is 2401871. The next prime is 2401891. The reversal of 2401881 is 1881042.

It is an interprime number because it is at equal distance from previous prime (2401871) and next prime (2401891).

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

It is not a de Polignac number, because 2401881 - 2¹⁸ = 2139737 is a prime.

It is a super-2 number, since 2×2401881² = 11538064676322, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2401871) 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, 3661 + ... + 4266.

It is an arithmetic number, because the mean of its divisors is an integer number (404328).

2^2401881 is an apocalyptic number.

It is an amenable number.

2401881 is a deficient number, since it is larger than the sum of its proper divisors (832743).

2401881 is a wasteful number, since it uses less digits than its factorization.

2401881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8031.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 2401881 is about 1549.8003097174. The cubic root of 2401881 is about 133.9215587541.

The spelling of 2401881 in words is "two million, four hundred one thousand, eight hundred eighty-one".