2421794 has 4 divisors (see below), whose sum is σ = 3632694. Its totient is φ = 1210896.

The previous prime is 2421791. The next prime is 2421817. The reversal of 2421794 is 4971242.

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

It can be written as a sum of positive squares in only one way, i.e., 1677025 + 744769 = 1295^2 + 863^2 .

It is not an unprimeable number, because it can be changed into a prime (2421791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605447 + ... + 605450.

2^2421794 is an apocalyptic number.

2421794 is a deficient number, since it is larger than the sum of its proper divisors (1210900).

2421794 is a wasteful number, since it uses less digits than its factorization.

2421794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210899.

The product of its digits is 4032, while the sum is 29.

The square root of 2421794 is about 1556.2114252247. The cubic root of 2421794 is about 134.2906367162.

The spelling of 2421794 in words is "two million, four hundred twenty-one thousand, seven hundred ninety-four".