8216734 has 16 divisors (see below), whose sum is σ = 12606048. Its totient is φ = 4015872.

The previous prime is 8216731. The next prime is 8216737. The reversal of 8216734 is 4376128.

It is an interprime number because it is at equal distance from previous prime (8216731) and next prime (8216737).

It is a junction number, because it is equal to n+sod(n) for n = 8216696 and 8216705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8216731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24214 + ... + 24550.

It is an arithmetic number, because the mean of its divisors is an integer number (787878).

Almost surely, 2^8216734 is an apocalyptic number.

8216734 is a deficient number, since it is larger than the sum of its proper divisors (4389314).

8216734 is a wasteful number, since it uses less digits than its factorization.

8216734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579.

The product of its digits is 8064, while the sum is 31.

The square root of 8216734 is about 2866.4846066218. The cubic root of 8216734 is about 201.7900475178.

Subtracting from 8216734 its reverse (4376128), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 8216734 in words is "eight million, two hundred sixteen thousand, seven hundred thirty-four".