61830384 has 80 divisors (see below), whose sum is σ = 199153920. Its totient is φ = 16058880.

The previous prime is 61830361. The next prime is 61830437. The reversal of 61830384 is 48303816.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4669 + ... + 12060.

It is an arithmetic number, because the mean of its divisors is an integer number (2489424).

Almost surely, 2^61830384 is an apocalyptic number.

It is an amenable number.

61830384 is an abundant number, since it is smaller than the sum of its proper divisors (137323536).

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

61830384 is a wasteful number, since it uses less digits than its factorization.

61830384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16758 (or 16752 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 61830384 is about 7863.2298707338. The cubic root of 61830384 is about 395.4279056653.

The spelling of 61830384 in words is "sixty-one million, eight hundred thirty thousand, three hundred eighty-four".