5415478 has 4 divisors (see below), whose sum is σ = 8123220. Its totient is φ = 2707738.

The previous prime is 5415467. The next prime is 5415479. The reversal of 5415478 is 8745145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8745145 = 5 ⋅1749029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5415479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1353868 + ... + 1353871.

It is an arithmetic number, because the mean of its divisors is an integer number (2030805).

Almost surely, 2^5415478 is an apocalyptic number.

5415478 is a deficient number, since it is larger than the sum of its proper divisors (2707742).

5415478 is a wasteful number, since it uses less digits than its factorization.

5415478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707741.

The product of its digits is 22400, while the sum is 34.

The square root of 5415478 is about 2327.1179600527. The cubic root of 5415478 is about 175.6085264201.

The spelling of 5415478 in words is "five million, four hundred fifteen thousand, four hundred seventy-eight".