2157096 has 48 divisors (see below), whose sum is σ = 5747040. Its totient is φ = 674560.

The previous prime is 2157091. The next prime is 2157097. The reversal of 2157096 is 6907512.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2157091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6781 + ... + 7091.

It is an arithmetic number, because the mean of its divisors is an integer number (119730).

2^2157096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2157096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2873520).

2157096 is an abundant number, since it is smaller than the sum of its proper divisors (3589944).

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

2157096 is a wasteful number, since it uses less digits than its factorization.

2157096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 2157096 is about 1468.7055525190. The cubic root of 2157096 is about 129.2081250661.

The spelling of 2157096 in words is "two million, one hundred fifty-seven thousand, ninety-six".