2458642 has 8 divisors (see below), whose sum is σ = 3904956. Its totient is φ = 1156992.

The previous prime is 2458639. The next prime is 2458661. The reversal of 2458642 is 2468542.

2458642 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 2 ways, for example, as 2047761 + 410881 = 1431^2 + 641^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36123 + ... + 36190.

2^2458642 is an apocalyptic number.

2458642 is a deficient number, since it is larger than the sum of its proper divisors (1446314).

2458642 is a wasteful number, since it uses less digits than its factorization.

2458642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72332.

The product of its digits is 15360, while the sum is 31.

The square root of 2458642 is about 1568.0057397854. The cubic root of 2458642 is about 134.9682961674.

The spelling of 2458642 in words is "two million, four hundred fifty-eight thousand, six hundred forty-two".