3640050 has 36 divisors (see below), whose sum is σ = 9780810. Its totient is φ = 970560.

The previous prime is 3640037. The next prime is 3640061. The reversal of 3640050 is 500463.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1505529 + 2134521 = 1227^2 + 1461^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon 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 17 ways as a sum of consecutive naturals, for example, 3595 + ... + 4494.

Almost surely, 2^3640050 is an apocalyptic number.

3640050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3640050 is an abundant number, since it is smaller than the sum of its proper divisors (6140760).

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

3640050 is a wasteful number, since it uses less digits than its factorization.

3640050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8107 (or 8099 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3640050 is about 1907.8915063494. The cubic root of 3640050 is about 153.8281379545.

The spelling of 3640050 in words is "three million, six hundred forty thousand, fifty".