4315478 has 4 divisors (see below), whose sum is σ = 6473220. Its totient is φ = 2157738.

The previous prime is 4315477. The next prime is 4315481. The reversal of 4315478 is 8745134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8745134 = 2 ⋅4372567.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4315477) 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 as a sum of consecutive naturals, namely, 1078868 + ... + 1078871.

It is an arithmetic number, because the mean of its divisors is an integer number (1618305).

Almost surely, 2^4315478 is an apocalyptic number.

4315478 is a deficient number, since it is larger than the sum of its proper divisors (2157742).

4315478 is a wasteful number, since it uses less digits than its factorization.

4315478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157741.

The product of its digits is 13440, while the sum is 32.

The square root of 4315478 is about 2077.3728601289. The cubic root of 4315478 is about 162.8082103207.

The spelling of 4315478 in words is "four million, three hundred fifteen thousand, four hundred seventy-eight".