2493993 has 8 divisors (see below), whose sum is σ = 3358656. Its totient is φ = 1646000.

The previous prime is 2493991. The next prime is 2494031. The reversal of 2493993 is 3993942.

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

It is a cyclic number.

It is not a de Polignac number, because 2493993 - 2¹ = 2493991 is a prime.

2493993 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2493991) 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, 3813 + ... + 4418.

It is an arithmetic number, because the mean of its divisors is an integer number (419832).

2^2493993 is an apocalyptic number.

It is an amenable number.

2493993 is a deficient number, since it is larger than the sum of its proper divisors (864663).

2493993 is a wasteful number, since it uses less digits than its factorization.

2493993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8335.

The product of its digits is 52488, while the sum is 39.

The square root of 2493993 is about 1579.2381074430. The cubic root of 2493993 is about 135.6120902717.

It can be divided in two parts, 2493 and 993, that added together give a triangular number (3486 = T₈₃).

The spelling of 2493993 in words is "two million, four hundred ninety-three thousand, nine hundred ninety-three".