2421534 has 32 divisors (see below), whose sum is σ = 5124096. Its totient is φ = 761760.

The previous prime is 2421533. The next prime is 2421541. The reversal of 2421534 is 4351242.

It is a self number, because there is not a number n which added to its sum of digits gives 2421534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8604 + ... + 8880.

It is an arithmetic number, because the mean of its divisors is an integer number (160128).

2^2421534 is an apocalyptic number.

2421534 is an abundant number, since it is smaller than the sum of its proper divisors (2702562).

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

2421534 is a wasteful number, since it uses less digits than its factorization.

2421534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360.

The product of its digits is 960, while the sum is 21.

The square root of 2421534 is about 1556.1278867754. The cubic root of 2421534 is about 134.2858308003.

Adding to 2421534 its reverse (4351242), we get a palindrome (6772776).

The spelling of 2421534 in words is "two million, four hundred twenty-one thousand, five hundred thirty-four".