3621150 has 72 divisors (see below), whose sum is σ = 10494120. Its totient is φ = 889920.

The previous prime is 3621139. The next prime is 3621157. The reversal of 3621150 is 511263.

3621150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3621150² = 26225454645000, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5541 + ... + 6159.

Almost surely, 2^3621150 is an apocalyptic number.

3621150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3621150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5247060).

3621150 is an abundant number, since it is smaller than the sum of its proper divisors (6872970).

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

3621150 is a wasteful number, since it uses less digits than its factorization.

3621150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 3621150 is about 1902.9319483366. The cubic root of 3621150 is about 153.5614384807.

The spelling of 3621150 in words is "three million, six hundred twenty-one thousand, one hundred fifty".