1164478 has 8 divisors (see below), whose sum is σ = 1996272. Its totient is φ = 499056.

The previous prime is 1164461. The next prime is 1164479. The reversal of 1164478 is 8744611.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41575 + ... + 41602.

It is an arithmetic number, because the mean of its divisors is an integer number (249534).

2^1164478 is an apocalyptic number.

1164478 is a deficient number, since it is larger than the sum of its proper divisors (831794).

1164478 is an equidigital number, since it uses as much as digits as its factorization.

1164478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83186.

The product of its digits is 5376, while the sum is 31.

The square root of 1164478 is about 1079.1098183225. The cubic root of 1164478 is about 105.2067882486.

The spelling of 1164478 in words is "one million, one hundred sixty-four thousand, four hundred seventy-eight".