4000332 has 24 divisors (see below), whose sum is σ = 10667776. Its totient is φ = 1142928.

The previous prime is 4000309. The next prime is 4000343. The reversal of 4000332 is 2330004.

It is a super-2 number, since 2×4000332² = 32005312220448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23728 + ... + 23895.

Almost surely, 2^4000332 is an apocalyptic number.

4000332 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4000332 is an abundant number, since it is smaller than the sum of its proper divisors (6667444).

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

4000332 is a wasteful number, since it uses less digits than its factorization.

4000332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47637 (or 47635 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 4000332 is about 2000.0829982778. The cubic root of 4000332 is about 158.7444968849.

Adding to 4000332 its reverse (2330004), we get a palindrome (6330336).

The spelling of 4000332 in words is "four million, three hundred thirty-two", and thus it is an aban number.