46781930 has 32 divisors (see below), whose sum is σ = 93819600. Its totient is φ = 16676352.

The previous prime is 46781929. The next prime is 46781939. The reversal of 46781930 is 3918764.

It can be written as a sum of positive squares in 8 ways, for example, as 2253001 + 44528929 = 1501^2 + 6673^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (46781939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2435 + ... + 9974.

Almost surely, 2^46781930 is an apocalyptic number.

46781930 is an abundant number, since it is smaller than the sum of its proper divisors (47037670).

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

46781930 is a wasteful number, since it uses less digits than its factorization.

46781930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12458.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 46781930 is about 6839.7317198849. The cubic root of 46781930 is about 360.3236030598.

The spelling of 46781930 in words is "forty-six million, seven hundred eighty-one thousand, nine hundred thirty".