2199390 has 32 divisors (see below), whose sum is σ = 5322240. Its totient is φ = 581664.

The previous prime is 2199377. The next prime is 2199401. The reversal of 2199390 is 939912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4791 + ... + 5229.

It is an arithmetic number, because the mean of its divisors is an integer number (166320).

2^2199390 is an apocalyptic number.

2199390 is an abundant number, since it is smaller than the sum of its proper divisors (3122850).

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

2199390 is a wasteful number, since it uses less digits than its factorization.

2199390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 2199390 is about 1483.0340522051. The cubic root of 2199390 is about 130.0471229561.

The spelling of 2199390 in words is "two million, one hundred ninety-nine thousand, three hundred ninety".