2002456 has 8 divisors (see below), whose sum is σ = 3754620. Its totient is φ = 1001224.

The previous prime is 2002453. The next prime is 2002459. The reversal of 2002456 is 6542002.

It is an interprime number because it is at equal distance from previous prime (2002453) and next prime (2002459).

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125146 + ... + 125161.

2^2002456 is an apocalyptic number.

It is an amenable number.

2002456 is a deficient number, since it is larger than the sum of its proper divisors (1752164).

2002456 is a wasteful number, since it uses less digits than its factorization.

2002456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250313 (or 250309 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2002456 is about 1415.0816230875. The cubic root of 2002456 is about 126.0436566617.

Adding to 2002456 its reverse (6542002), we get a palindrome (8544458).

The spelling of 2002456 in words is "two million, two thousand, four hundred fifty-six".