2401566 has 8 divisors (see below), whose sum is σ = 4803144. Its totient is φ = 800520.

The previous prime is 2401561. The next prime is 2401571. The reversal of 2401566 is 6651042.

It is an interprime number because it is at equal distance from previous prime (2401561) and next prime (2401571).

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

2401566 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401561) 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, 200125 + ... + 200136.

It is an arithmetic number, because the mean of its divisors is an integer number (600393).

2^2401566 is an apocalyptic number.

2401566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2401566 is a wasteful number, since it uses less digits than its factorization.

2401566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400266.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2401566 is about 1549.6986803892. The cubic root of 2401566 is about 133.9157040184.

The spelling of 2401566 in words is "two million, four hundred one thousand, five hundred sixty-six".