4000750 has 32 divisors (see below), whose sum is σ = 8072064. Its totient is φ = 1476000.

The previous prime is 4000747. The next prime is 4000751. The reversal of 4000750 is 570004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2635 + ... + 3865.

It is an arithmetic number, because the mean of its divisors is an integer number (252252).

Almost surely, 2^4000750 is an apocalyptic number.

4000750 is an abundant number, since it is smaller than the sum of its proper divisors (4071314).

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

4000750 is a wasteful number, since it uses less digits than its factorization.

4000750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261 (or 1251 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 4000750 is about 2000.1874912118. The cubic root of 4000750 is about 158.7500258334.

Adding to 4000750 its reverse (570004), we get a palindrome (4570754).

The spelling of 4000750 in words is "four million, seven hundred fifty", and thus it is an aban number.