2158802 has 8 divisors (see below), whose sum is σ = 3325836. Its totient is φ = 1050192.

The previous prime is 2158801. The next prime is 2158811. The reversal of 2158802 is 2088512.

It can be written as a sum of positive squares in 2 ways, for example, as 2157961 + 841 = 1469^2 + 29^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2158801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14513 + ... + 14660.

2^2158802 is an apocalyptic number.

2158802 is a deficient number, since it is larger than the sum of its proper divisors (1167034).

2158802 is a wasteful number, since it uses less digits than its factorization.

2158802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29212.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 2158802 is about 1469.2862212653. The cubic root of 2158802 is about 129.2421787160.

The spelling of 2158802 in words is "two million, one hundred fifty-eight thousand, eight hundred two".