2150979 has 8 divisors (see below), whose sum is σ = 2875152. Its totient is φ = 1430400.

The previous prime is 2150977. The next prime is 2151001. The reversal of 2150979 is 9790512.

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

It is not a de Polignac number, because 2150979 - 2¹ = 2150977 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2150977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1207 + ... + 2399.

It is an arithmetic number, because the mean of its divisors is an integer number (359394).

2^2150979 is an apocalyptic number.

2150979 is a deficient number, since it is larger than the sum of its proper divisors (724173).

2150979 is a wasteful number, since it uses less digits than its factorization.

2150979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797.

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 2150979 is about 1466.6216280964. The cubic root of 2150979 is about 129.0858751561.

The spelling of 2150979 in words is "two million, one hundred fifty thousand, nine hundred seventy-nine".