2400591 has 16 divisors (see below), whose sum is σ = 3396960. Its totient is φ = 1505280.

The previous prime is 2400589. The next prime is 2400613. The reversal of 2400591 is 1950042.

It is not a de Polignac number, because 2400591 - 2¹ = 2400589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3231 + ... + 3903.

It is an arithmetic number, because the mean of its divisors is an integer number (212310).

2^2400591 is an apocalyptic number.

2400591 is a deficient number, since it is larger than the sum of its proper divisors (996369).

2400591 is a wasteful number, since it uses less digits than its factorization.

2400591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2400591 is about 1549.3840711715. The cubic root of 2400591 is about 133.8975789721.

The spelling of 2400591 in words is "two million, four hundred thousand, five hundred ninety-one".