3651242 has 32 divisors (see below), whose sum is σ = 6635520. Its totient is φ = 1473840.

The previous prime is 3651239. The next prime is 3651269. The reversal of 3651242 is 2421563.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20309 + ... + 20487.

It is an arithmetic number, because the mean of its divisors is an integer number (207360).

Almost surely, 2^3651242 is an apocalyptic number.

3651242 is a deficient number, since it is larger than the sum of its proper divisors (2984278).

3651242 is a wasteful number, since it uses less digits than its factorization.

3651242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266.

The product of its digits is 1440, while the sum is 23.

The square root of 3651242 is about 1910.8223360637. The cubic root of 3651242 is about 153.9856342365.

The spelling of 3651242 in words is "three million, six hundred fifty-one thousand, two hundred forty-two".