2758493 has 4 divisors (see below), whose sum is σ = 2822688. Its totient is φ = 2694300.

The previous prime is 2758489. The next prime is 2758499. The reversal of 2758493 is 3948572.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2758493 - 2² = 2758489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2758499) 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, 32033 + ... + 32118.

It is an arithmetic number, because the mean of its divisors is an integer number (705672).

2^2758493 is an apocalyptic number.

It is an amenable number.

2758493 is a deficient number, since it is larger than the sum of its proper divisors (64195).

2758493 is an equidigital number, since it uses as much as digits as its factorization.

2758493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64194.

The product of its digits is 60480, while the sum is 38.

The square root of 2758493 is about 1660.8711569535. The cubic root of 2758493 is about 140.2460469165.

The spelling of 2758493 in words is "two million, seven hundred fifty-eight thousand, four hundred ninety-three".