4001612 has 6 divisors (see below), whose sum is σ = 7002828. Its totient is φ = 2000804.

The previous prime is 4001611. The next prime is 4001617. The reversal of 4001612 is 2161004.

It is not an unprimeable number, because it can be changed into a prime (4001611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500198 + ... + 500205.

It is an arithmetic number, because the mean of its divisors is an integer number (1167138).

Almost surely, 2^4001612 is an apocalyptic number.

It is an amenable number.

4001612 is a deficient number, since it is larger than the sum of its proper divisors (3001216).

4001612 is a wasteful number, since it uses less digits than its factorization.

4001612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000407 (or 1000405 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 4001612 is about 2000.4029594059. The cubic root of 4001612 is about 158.7614264204.

Adding to 4001612 its reverse (2161004), we get a palindrome (6162616).

The spelling of 4001612 in words is "four million, one thousand, six hundred twelve".