8499478 has 8 divisors (see below), whose sum is σ = 13729968. Its totient is φ = 3922824.

The previous prime is 8499461. The next prime is 8499503. The reversal of 8499478 is 8749948.

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

It is a super-2 number, since 2×8499478² = 144482252544968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163426 + ... + 163477.

It is an arithmetic number, because the mean of its divisors is an integer number (1716246).

Almost surely, 2^8499478 is an apocalyptic number.

8499478 is a deficient number, since it is larger than the sum of its proper divisors (5230490).

8499478 is a wasteful number, since it uses less digits than its factorization.

8499478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326918.

The product of its digits is 580608, while the sum is 49.

The square root of 8499478 is about 2915.3864237867. The cubic root of 8499478 is about 204.0785773163.

The spelling of 8499478 in words is "eight million, four hundred ninety-nine thousand, four hundred seventy-eight".