3622140 has 36 divisors (see below), whose sum is σ = 10987704. Its totient is φ = 965856.

The previous prime is 3622123. The next prime is 3622159. The reversal of 3622140 is 412263.

It is a happy number.

3622140 is a `hidden beast` number, since 3 + 622 + 1 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 9882 + ... + 10241.

It is an arithmetic number, because the mean of its divisors is an integer number (305214).

Almost surely, 2^3622140 is an apocalyptic number.

3622140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3622140 is an abundant number, since it is smaller than the sum of its proper divisors (7365564).

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

3622140 is a wasteful number, since it uses less digits than its factorization.

3622140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20138 (or 20133 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3622140 is about 1903.1920554689. The cubic root of 3622140 is about 153.5754314545.

The spelling of 3622140 in words is "three million, six hundred twenty-two thousand, one hundred forty".