4001772 has 24 divisors (see below), whose sum is σ = 9590896. Its totient is φ = 1297728.

The previous prime is 4001771. The next prime is 4001779. The reversal of 4001772 is 2771004.

It is not an unprimeable number, because it can be changed into a prime (4001771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4063 + ... + 4950.

Almost surely, 2^4001772 is an apocalyptic number.

It is an amenable number.

4001772 is an abundant number, since it is smaller than the sum of its proper divisors (5589124).

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

4001772 is a wasteful number, since it uses less digits than its factorization.

4001772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9057 (or 9055 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 4001772 is about 2000.4429509486. The cubic root of 4001772 is about 158.7635423585.

Adding to 4001772 its reverse (2771004), we get a palindrome (6772776).

The spelling of 4001772 in words is "four million, one thousand, seven hundred seventy-two".