83474430 has 64 divisors (see below), whose sum is σ = 217062720. Its totient is φ = 20422656.

The previous prime is 83474407. The next prime is 83474431. The reversal of 83474430 is 3447438.

It is a junction number, because it is equal to n+sod(n) for n = 83474391 and 83474400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83474431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74716 + ... + 75824.

It is an arithmetic number, because the mean of its divisors is an integer number (3391605).

Almost surely, 2^83474430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83474430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108531360).

83474430 is an abundant number, since it is smaller than the sum of its proper divisors (133588290).

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

83474430 is a wasteful number, since it uses less digits than its factorization.

83474430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 83474430 is about 9136.4342059690. The cubic root of 83474430 is about 437.0366119504.

The spelling of 83474430 in words is "eighty-three million, four hundred seventy-four thousand, four hundred thirty".