8678434 has 4 divisors (see below), whose sum is σ = 13017654. Its totient is φ = 4339216.

The previous prime is 8678399. The next prime is 8678447. The reversal of 8678434 is 4348768.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5267025 + 3411409 = 2295^2 + 1847^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 8 + 6⁸ + 7⁶ + 8⁷ + 4² + 3¹⁴ + 4⁵ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2169607 + ... + 2169610.

Almost surely, 2^8678434 is an apocalyptic number.

8678434 is a deficient number, since it is larger than the sum of its proper divisors (4339220).

8678434 is a wasteful number, since it uses less digits than its factorization.

8678434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339219.

The product of its digits is 129024, while the sum is 40.

The square root of 8678434 is about 2945.9181930257. The cubic root of 8678434 is about 205.5009284377.

The spelling of 8678434 in words is "eight million, six hundred seventy-eight thousand, four hundred thirty-four".