2421942 has 16 divisors (see below), whose sum is σ = 4892160. Its totient is φ = 799272.

The previous prime is 2421931. The next prime is 2421943. The reversal of 2421942 is 2491242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421943) 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, 1342 + ... + 2577.

It is an arithmetic number, because the mean of its divisors is an integer number (305760).

2^2421942 is an apocalyptic number.

2421942 is an abundant number, since it is smaller than the sum of its proper divisors (2470218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2421942 is a wasteful number, since it uses less digits than its factorization.

2421942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027.

The product of its digits is 1152, while the sum is 24.

The square root of 2421942 is about 1556.2589758777. The cubic root of 2421942 is about 134.2933722378.

It can be divided in two parts, 242 and 1942, that multiplied together give a palindrome (469964).

The spelling of 2421942 in words is "two million, four hundred twenty-one thousand, nine hundred forty-two".