83427408 has 50 divisors (see below), whose sum is σ = 241466874. Its totient is φ = 27808704.

The previous prime is 83427361. The next prime is 83427413. The reversal of 83427408 is 80472438.

It can be written as a sum of positive squares in only one way, i.e., 79067664 + 4359744 = 8892^2 + 2088^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 30891 + ... + 33482.

Almost surely, 2^83427408 is an apocalyptic number.

It is an amenable number.

83427408 is an abundant number, since it is smaller than the sum of its proper divisors (158039466).

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

83427408 is a wasteful number, since it uses less digits than its factorization.

83427408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64393 (or 64378 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 83427408 is about 9133.8605200649. The cubic root of 83427408 is about 436.9545341392.

The spelling of 83427408 in words is "eighty-three million, four hundred twenty-seven thousand, four hundred eight".