83451930 has 16 divisors (see below), whose sum is σ = 200284704. Its totient is φ = 22253840.

The previous prime is 83451923. The next prime is 83451959. The reversal of 83451930 is 3915438.

It is a junction number, because it is equal to n+sod(n) for n = 83451891 and 83451900.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1390836 + ... + 1390895.

It is an arithmetic number, because the mean of its divisors is an integer number (12517794).

Almost surely, 2^83451930 is an apocalyptic number.

83451930 is an abundant number, since it is smaller than the sum of its proper divisors (116832774).

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

83451930 is a wasteful number, since it uses less digits than its factorization.

83451930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781741.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 83451930 is about 9135.2027892105. The cubic root of 83451930 is about 436.9973416117.

The spelling of 83451930 in words is "eighty-three million, four hundred fifty-one thousand, nine hundred thirty".