83913480 has 288 divisors, whose sum is σ = 326514240. Its totient is φ = 18627840.

The previous prime is 83913457. The next prime is 83913523. The reversal of 83913480 is 8431938.

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1181845 + ... + 1181915.

It is an arithmetic number, because the mean of its divisors is an integer number (1133730).

Almost surely, 2^83913480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83913480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163257120).

83913480 is an abundant number, since it is smaller than the sum of its proper divisors (242600760).

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

83913480 is a wasteful number, since it uses less digits than its factorization.

83913480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 83913480 is about 9160.4301209059. The cubic root of 83913480 is about 437.8014988440.

The spelling of 83913480 in words is "eighty-three million, nine hundred thirteen thousand, four hundred eighty".