3642368 has 22 divisors (see below), whose sum is σ = 7283226. Its totient is φ = 1820672.

The previous prime is 3642347. The next prime is 3642377. The reversal of 3642368 is 8632463.

It can be written as a sum of positive squares in only one way, i.e., 2458624 + 1183744 = 1568^2 + 1088^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 755 + ... + 2802.

Almost surely, 2^3642368 is an apocalyptic number.

It is an amenable number.

3642368 is a deficient number, since it is larger than the sum of its proper divisors (3640858).

3642368 is an equidigital number, since it uses as much as digits as its factorization.

3642368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577 (or 3559 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 3642368 is about 1908.4988865598. The cubic root of 3642368 is about 153.8607838395.

The spelling of 3642368 in words is "three million, six hundred forty-two thousand, three hundred sixty-eight".