2195958 has 16 divisors (see below), whose sum is σ = 4650480. Its totient is φ = 688896.

The previous prime is 2195933. The next prime is 2195969. The reversal of 2195958 is 8595912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10663 + ... + 10866.

It is an arithmetic number, because the mean of its divisors is an integer number (290655).

2^2195958 is an apocalyptic number.

2195958 is an abundant number, since it is smaller than the sum of its proper divisors (2454522).

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

2195958 is a wasteful number, since it uses less digits than its factorization.

2195958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21551.

The product of its digits is 32400, while the sum is 39.

The square root of 2195958 is about 1481.8765130739. The cubic root of 2195958 is about 129.9794444817.

The spelling of 2195958 in words is "two million, one hundred ninety-five thousand, nine hundred fifty-eight".