3621790 has 16 divisors (see below), whose sum is σ = 6540912. Its totient is φ = 1443904.

The previous prime is 3621767. The next prime is 3621797. The reversal of 3621790 is 971263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621797) by changing a digit.

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, 5562 + ... + 6178.

It is an arithmetic number, because the mean of its divisors is an integer number (408807).

Almost surely, 2^3621790 is an apocalyptic number.

3621790 is a deficient number, since it is larger than the sum of its proper divisors (2919122).

3621790 is a wasteful number, since it uses less digits than its factorization.

3621790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 3621790 is about 1903.1001024644. The cubic root of 3621790 is about 153.5704847350.

The spelling of 3621790 in words is "three million, six hundred twenty-one thousand, seven hundred ninety".