3642988 has 6 divisors (see below), whose sum is σ = 6375236. Its totient is φ = 1821492.

The previous prime is 3642971. The next prime is 3643001. The reversal of 3642988 is 8892463.

It is a d-powerful number, because it can be written as 3¹¹ + 6⁷ + 4⁴ + 2¹⁹ + 9⁶ + 8⁵ + 8⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 3642988.

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 as a sum of consecutive naturals, namely, 455370 + ... + 455377.

Almost surely, 2^3642988 is an apocalyptic number.

It is an amenable number.

3642988 is a deficient number, since it is larger than the sum of its proper divisors (2732248).

3642988 is a wasteful number, since it uses less digits than its factorization.

3642988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910751 (or 910749 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 3642988 is about 1908.6613109716. The cubic root of 3642988 is about 153.8695133504.

The spelling of 3642988 in words is "three million, six hundred forty-two thousand, nine hundred eighty-eight".