3620140 has 24 divisors (see below), whose sum is σ = 7639632. Its totient is φ = 1440960.

The previous prime is 3620129. The next prime is 3620153. The reversal of 3620140 is 410263.

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 7 ways as a sum of consecutive naturals, for example, 6055 + ... + 6625.

It is an arithmetic number, because the mean of its divisors is an integer number (318318).

Almost surely, 2^3620140 is an apocalyptic number.

It is an amenable number.

3620140 is an abundant number, since it is smaller than the sum of its proper divisors (4019492).

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

3620140 is a wasteful number, since it uses less digits than its factorization.

3620140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3620140 is about 1902.6665498715. Note that the first 3 decimals coincide. The cubic root of 3620140 is about 153.5471601920.

The spelling of 3620140 in words is "three million, six hundred twenty thousand, one hundred forty".