2493642 has 8 divisors (see below), whose sum is σ = 4987296. Its totient is φ = 831212.

The previous prime is 2493629. The next prime is 2493643. The reversal of 2493642 is 2463942.

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

2493642 is an admirable number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2493643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207798 + ... + 207809.

It is an arithmetic number, because the mean of its divisors is an integer number (623412).

2^2493642 is an apocalyptic number.

2493642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2493642 is a wasteful number, since it uses less digits than its factorization.

2493642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415612.

The product of its digits is 10368, while the sum is 30.

The square root of 2493642 is about 1579.1269739954. The cubic root of 2493642 is about 135.6057280409.

The spelling of 2493642 in words is "two million, four hundred ninety-three thousand, six hundred forty-two".