2401863 has 4 divisors (see below), whose sum is σ = 3202488. Its totient is φ = 1601240.

The previous prime is 2401807. The next prime is 2401871. The reversal of 2401863 is 3681042.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2401863 - 2¹⁷ = 2270791 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401463) 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, 400308 + ... + 400313.

It is an arithmetic number, because the mean of its divisors is an integer number (800622).

2^2401863 is an apocalyptic number.

2401863 is a deficient number, since it is larger than the sum of its proper divisors (800625).

2401863 is an equidigital number, since it uses as much as digits as its factorization.

2401863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800624.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2401863 is about 1549.7945025067. The cubic root of 2401863 is about 133.9212242115.

The spelling of 2401863 in words is "two million, four hundred one thousand, eight hundred sixty-three".