5645390 has 16 divisors (see below), whose sum is σ = 10221120. Its totient is φ = 2244960.

The previous prime is 5645383. The next prime is 5645407. The reversal of 5645390 is 935465.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251 + ... + 3369.

It is an arithmetic number, because the mean of its divisors is an integer number (638820).

Almost surely, 2^5645390 is an apocalyptic number.

5645390 is a deficient number, since it is larger than the sum of its proper divisors (4575730).

5645390 is a wasteful number, since it uses less digits than its factorization.

5645390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 5645390 is about 2376.0029461261. The cubic root of 5645390 is about 178.0592951468.

The spelling of 5645390 in words is "five million, six hundred forty-five thousand, three hundred ninety".