2421662 has 4 divisors (see below), whose sum is σ = 3632496. Its totient is φ = 1210830.

The previous prime is 2421659. The next prime is 2421673. The reversal of 2421662 is 2661242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2661242 = 2 ⋅1330621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605414 + ... + 605417.

It is an arithmetic number, because the mean of its divisors is an integer number (908124).

2^2421662 is an apocalyptic number.

2421662 is a deficient number, since it is larger than the sum of its proper divisors (1210834).

2421662 is a wasteful number, since it uses less digits than its factorization.

2421662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210833.

The product of its digits is 1152, while the sum is 23.

The square root of 2421662 is about 1556.1690139570. The cubic root of 2421662 is about 134.2881968327.

It can be divided in two parts, 242 and 1662, that multiplied together give a palindrome (402204).

The spelling of 2421662 in words is "two million, four hundred twenty-one thousand, six hundred sixty-two".