8291434 has 4 divisors (see below), whose sum is σ = 12437154. Its totient is φ = 4145716.

The previous prime is 8291407. The next prime is 8291443. The reversal of 8291434 is 4341928.

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., 6477025 + 1814409 = 2545^2 + 1347^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 8291396 and 8291405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072857 + ... + 2072860.

Almost surely, 2^8291434 is an apocalyptic number.

8291434 is a deficient number, since it is larger than the sum of its proper divisors (4145720).

8291434 is a wasteful number, since it uses less digits than its factorization.

8291434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145719.

The product of its digits is 6912, while the sum is 31.

The square root of 8291434 is about 2879.4850234026. The cubic root of 8291434 is about 202.3997085041.

The spelling of 8291434 in words is "eight million, two hundred ninety-one thousand, four hundred thirty-four".