3622890 has 16 divisors (see below), whose sum is σ = 8695008. Its totient is φ = 966096.

The previous prime is 3622889. The next prime is 3622897. The reversal of 3622890 is 982263.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 120763 = 3622890 / (3 + 6 + 2 + 2 + 8 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (3622897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60352 + ... + 60411.

It is an arithmetic number, because the mean of its divisors is an integer number (543438).

Almost surely, 2^3622890 is an apocalyptic number.

3622890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3622890 is an abundant number, since it is smaller than the sum of its proper divisors (5072118).

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

3622890 is a wasteful number, since it uses less digits than its factorization.

3622890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120773.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3622890 is about 1903.3890826628. The cubic root of 3622890 is about 153.5860304950.

The spelling of 3622890 in words is "three million, six hundred twenty-two thousand, eight hundred ninety".