83874438 has 48 divisors (see below), whose sum is σ = 192628800. Its totient is φ = 26328960.

The previous prime is 83874433. The next prime is 83874463. The reversal of 83874438 is 83447838.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 83874393 and 83874402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83874433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19443 + ... + 23361.

It is an arithmetic number, because the mean of its divisors is an integer number (4013100).

Almost surely, 2^83874438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83874438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96314400).

83874438 is an abundant number, since it is smaller than the sum of its proper divisors (108754362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83874438 is a wasteful number, since it uses less digits than its factorization.

83874438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3997 (or 3994 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 83874438 is about 9158.2988595044. The cubic root of 83874438 is about 437.7335904154.

The spelling of 83874438 in words is "eighty-three million, eight hundred seventy-four thousand, four hundred thirty-eight".