3651142 has 8 divisors (see below), whose sum is σ = 5974632. Its totient is φ = 1659600.

The previous prime is 3651133. The next prime is 3651157. The reversal of 3651142 is 2411563.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 165961 = 3651142 / (3 + 6 + 5 + 1 + 1 + 4 + 2).

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 82959 + ... + 83002.

It is an arithmetic number, because the mean of its divisors is an integer number (746829).

Almost surely, 2^3651142 is an apocalyptic number.

3651142 is a deficient number, since it is larger than the sum of its proper divisors (2323490).

3651142 is a wasteful number, since it uses less digits than its factorization.

3651142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165974.

The product of its digits is 720, while the sum is 22.

The square root of 3651142 is about 1910.7961691400. The cubic root of 3651142 is about 153.9842284405.

The spelling of 3651142 in words is "three million, six hundred fifty-one thousand, one hundred forty-two".