2150858 has 4 divisors (see below), whose sum is σ = 3226290. Its totient is φ = 1075428.

The previous prime is 2150849. The next prime is 2150867. The reversal of 2150858 is 8580512.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2150849) and next prime (2150867).

It can be written as a sum of positive squares in only one way, i.e., 1423249 + 727609 = 1193^2 + 853^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2150858.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537713 + ... + 537716.

2^2150858 is an apocalyptic number.

2150858 is a deficient number, since it is larger than the sum of its proper divisors (1075432).

2150858 is a wasteful number, since it uses less digits than its factorization.

2150858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075431.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 2150858 is about 1466.5803762495. The cubic root of 2150858 is about 129.0834546019.

The spelling of 2150858 in words is "two million, one hundred fifty thousand, eight hundred fifty-eight".