3645342 has 12 divisors (see below), whose sum is σ = 7898280. Its totient is φ = 1215108.

The previous prime is 3645307. The next prime is 3645347. The reversal of 3645342 is 2435463.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3645347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101242 + ... + 101277.

It is an arithmetic number, because the mean of its divisors is an integer number (658190).

Almost surely, 2^3645342 is an apocalyptic number.

3645342 is an abundant number, since it is smaller than the sum of its proper divisors (4252938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3645342 is a wasteful number, since it uses less digits than its factorization.

3645342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202527 (or 202524 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 3645342 is about 1909.2778739618. The cubic root of 3645342 is about 153.9026483160.

The spelling of 3645342 in words is "three million, six hundred forty-five thousand, three hundred forty-two".