2158088 has 8 divisors (see below), whose sum is σ = 4046430. Its totient is φ = 1079040.

The previous prime is 2158087. The next prime is 2158097. The reversal of 2158088 is 8808512.

It can be written as a sum of positive squares in only one way, i.e., 1162084 + 996004 = 1078^2 + 998^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (2158081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134873 + ... + 134888.

2^2158088 is an apocalyptic number.

It is an amenable number.

2158088 is a deficient number, since it is larger than the sum of its proper divisors (1888342).

2158088 is a wasteful number, since it uses less digits than its factorization.

2158088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269767 (or 269763 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 2158088 is about 1469.0432260488. The cubic root of 2158088 is about 129.2279286689.

The spelling of 2158088 in words is "two million, one hundred fifty-eight thousand, eighty-eight".