8438474 has 16 divisors (see below), whose sum is σ = 14103936. Its totient is φ = 3753600.

The previous prime is 8438473. The next prime is 8438483. The reversal of 8438474 is 4748348.

It is a super-4 number, since 4×8438474⁴ (a number of 29 digits) contains 4444 as substring.

It is a d-powerful number, because it can be written as 8 + 4⁴ + 3³ + 8⁵ + 4¹¹ + 7⁵ + 4¹¹ .

It is not an unprimeable number, because it can be changed into a prime (8438473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3047 + ... + 5114.

It is an arithmetic number, because the mean of its divisors is an integer number (881496).

Almost surely, 2^8438474 is an apocalyptic number.

8438474 is a deficient number, since it is larger than the sum of its proper divisors (5665462).

8438474 is a wasteful number, since it uses less digits than its factorization.

8438474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8221.

The product of its digits is 86016, while the sum is 38.

The square root of 8438474 is about 2904.9051619631. The cubic root of 8438474 is about 203.5891545514.

The spelling of 8438474 in words is "eight million, four hundred thirty-eight thousand, four hundred seventy-four".