3645351 has 32 divisors (see below), whose sum is σ = 5745600. Its totient is φ = 2280960.

The previous prime is 3645349. The next prime is 3645371. The reversal of 3645351 is 1535463.

It is not a de Polignac number, because 3645351 - 2¹ = 3645349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3645371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40915 + ... + 41003.

It is an arithmetic number, because the mean of its divisors is an integer number (179550).

Almost surely, 2^3645351 is an apocalyptic number.

3645351 is a deficient number, since it is larger than the sum of its proper divisors (2100249).

3645351 is a wasteful number, since it uses less digits than its factorization.

3645351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 170 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 3645351 is about 1909.2802308724. The cubic root of 3645351 is about 153.9027749729.

The spelling of 3645351 in words is "three million, six hundred forty-five thousand, three hundred fifty-one".