2001508 has 12 divisors (see below), whose sum is σ = 3512572. Its totient is φ = 997920.

The previous prime is 2001487. The next prime is 2001509. The reversal of 2001508 is 8051002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1420864 + 580644 = 1192^2 + 762^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2001491 and 2001500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001509) 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, 2266 + ... + 3022.

2^2001508 is an apocalyptic number.

It is an amenable number.

2001508 is a deficient number, since it is larger than the sum of its proper divisors (1511064).

2001508 is a wasteful number, since it uses less digits than its factorization.

2001508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422 (or 1420 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 2001508 is about 1414.7466204236. The cubic root of 2001508 is about 126.0237630498.

The spelling of 2001508 in words is "two million, one thousand, five hundred eight".