3645950 has 48 divisors (see below), whose sum is σ = 8463744. Its totient is φ = 1135200.

The previous prime is 3645949. The next prime is 3645953. The reversal of 3645950 is 595463.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3645953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3377 + ... + 4323.

It is an arithmetic number, because the mean of its divisors is an integer number (176328).

Almost surely, 2^3645950 is an apocalyptic number.

3645950 is an abundant number, since it is smaller than the sum of its proper divisors (4817794).

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

3645950 is a wasteful number, since it uses less digits than its factorization.

3645950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 972 counting only the distinct ones).

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

The square root of 3645950 is about 1909.4370898252. The cubic root of 3645950 is about 153.9112042218.

The spelling of 3645950 in words is "three million, six hundred forty-five thousand, nine hundred fifty".