1493845 has 8 divisors (see below), whose sum is σ = 1809720. Its totient is φ = 1183680.

The previous prime is 1493839. The next prime is 1493867. The reversal of 1493845 is 5483941.

It can be written as a sum of positive squares in 4 ways, for example, as 145924 + 1347921 = 382^2 + 1161^2 .

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

It is not a de Polignac number, because 1493845 - 2⁵ = 1493813 is a prime.

1493845 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1493845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826 + ... + 1915.

It is an arithmetic number, because the mean of its divisors is an integer number (226215).

2^1493845 is an apocalyptic number.

It is an amenable number.

1493845 is a deficient number, since it is larger than the sum of its proper divisors (315875).

1493845 is a wasteful number, since it uses less digits than its factorization.

1493845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855.

The product of its digits is 17280, while the sum is 34.

The square root of 1493845 is about 1222.2295201802. The cubic root of 1493845 is about 114.3146381405.

The spelling of 1493845 in words is "one million, four hundred ninety-three thousand, eight hundred forty-five".