4000250 has 16 divisors (see below), whose sum is σ = 7488936. Its totient is φ = 1600000.

The previous prime is 4000237. The next prime is 4000261. The reversal of 4000250 is 520004.

It can be written as a sum of positive squares in 4 ways, for example, as 1923769 + 2076481 = 1387^2 + 1441^2 .

It is a sliding number, since 4000250 = 250 + 4000000 and 1/250 + 1/4000000 = 0.004000250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7751 + ... + 8250.

Almost surely, 2^4000250 is an apocalyptic number.

4000250 is a deficient number, since it is larger than the sum of its proper divisors (3488686).

4000250 is a wasteful number, since it uses less digits than its factorization.

4000250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16018 (or 16008 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 4000250 is about 2000.0624990235. The cubic root of 4000250 is about 158.7434122134.

Adding to 4000250 its reverse (520004), we get a palindrome (4520254).

It can be divided in two parts, 4000 and 250, that multiplied together give a 6-th power (1000000 = 10⁶).

The spelling of 4000250 in words is "four million, two hundred fifty", and thus it is an aban number.