2147493 has 8 divisors (see below), whose sum is σ = 2873728. Its totient is φ = 1426464.

The previous prime is 2147489. The next prime is 2147501. The reversal of 2147493 is 3947412.

It is a happy number.

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

It is not a de Polignac number, because 2147493 - 2² = 2147489 is a prime.

It is a super-2 number, since 2×2147493² = 9223452370098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2147493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147473) 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, 205 + ... + 2082.

It is an arithmetic number, because the mean of its divisors is an integer number (359216).

2^2147493 is an apocalyptic number.

It is an amenable number.

2147493 is a deficient number, since it is larger than the sum of its proper divisors (726235).

2147493 is a wasteful number, since it uses less digits than its factorization.

2147493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603.

The product of its digits is 6048, while the sum is 30.

The square root of 2147493 is about 1465.4327006042. The cubic root of 2147493 is about 129.0161027912.

The spelling of 2147493 in words is "two million, one hundred forty-seven thousand, four hundred ninety-three".