2235979 has 4 divisors (see below), whose sum is σ = 2256984. Its totient is φ = 2214976.

The previous prime is 2235973. The next prime is 2235997. The reversal of 2235979 is 9795322.

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

It is a cyclic number.

It is not a de Polignac number, because 2235979 - 2³ = 2235971 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁵ + 2²¹ + 3⁹ + 5 + 9³ + 7⁶ + 9³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2235971) 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, 10342 + ... + 10555.

It is an arithmetic number, because the mean of its divisors is an integer number (564246).

2^2235979 is an apocalyptic number.

2235979 is a deficient number, since it is larger than the sum of its proper divisors (21005).

2235979 is a wasteful number, since it uses less digits than its factorization.

2235979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21004.

The product of its digits is 34020, while the sum is 37.

The square root of 2235979 is about 1495.3190295051. The cubic root of 2235979 is about 130.7643140996.

The spelling of 2235979 in words is "two million, two hundred thirty-five thousand, nine hundred seventy-nine".