83461650 has 72 divisors (see below), whose sum is σ = 212797392. Its totient is φ = 21648000.

The previous prime is 83461649. The next prime is 83461657. The reversal of 83461650 is 5616438.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83461657) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 251985 + ... + 252315.

Almost surely, 2^83461650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83461650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106398696).

83461650 is an abundant number, since it is smaller than the sum of its proper divisors (129335742).

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

83461650 is a wasteful number, since it uses less digits than its factorization.

83461650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 83461650 is about 9135.7347816144. The cubic root of 83461650 is about 437.0143072639.

The spelling of 83461650 in words is "eighty-three million, four hundred sixty-one thousand, six hundred fifty".