8438734 has 8 divisors (see below), whose sum is σ = 12718728. Its totient is φ = 4199160.

The previous prime is 8438699. The next prime is 8438741. The reversal of 8438734 is 4378348.

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

It is a junction number, because it is equal to n+sod(n) for n = 8438693 and 8438702.

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, 9577 + ... + 10420.

It is an arithmetic number, because the mean of its divisors is an integer number (1589841).

Almost surely, 2^8438734 is an apocalyptic number.

8438734 is a deficient number, since it is larger than the sum of its proper divisors (4279994).

8438734 is a wasteful number, since it uses less digits than its factorization.

8438734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20210.

The product of its digits is 64512, while the sum is 37.

The square root of 8438734 is about 2904.9499135097. The cubic root of 8438734 is about 203.5912454759.

The spelling of 8438734 in words is "eight million, four hundred thirty-eight thousand, seven hundred thirty-four".