2401956 has 18 divisors (see below), whose sum is σ = 6071702. Its totient is φ = 800640.

The previous prime is 2401939. The next prime is 2401967. The reversal of 2401956 is 6591042.

It can be written as a sum of positive squares in only one way, i.e., 2005056 + 396900 = 1416^2 + 630^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33325 + ... + 33396.

2^2401956 is an apocalyptic number.

It is an amenable number.

2401956 is an abundant number, since it is smaller than the sum of its proper divisors (3669746).

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

2401956 is a wasteful number, since it uses less digits than its factorization.

2401956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66731 (or 66726 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2401956 is about 1549.8245061942. The cubic root of 2401956 is about 133.9229526633.

Adding to 2401956 its reverse (6591042), we get a palindrome (8992998).

The spelling of 2401956 in words is "two million, four hundred one thousand, nine hundred fifty-six".