427974386 has 32 divisors (see below), whose sum is σ = 781885440. Its totient is φ = 171704016.

The previous prime is 427974343. The next prime is 427974419. The reversal of 427974386 is 683479724.

It is a Curzon 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, 995 + ... + 29273.

It is an arithmetic number, because the mean of its divisors is an integer number (24433920).

Almost surely, 2^427974386 is an apocalyptic number.

427974386 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

427974386 is a deficient number, since it is larger than the sum of its proper divisors (353911054).

427974386 is a wasteful number, since it uses less digits than its factorization.

427974386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28358.

The product of its digits is 2032128, while the sum is 50.

The square root of 427974386 is about 20687.5418066043. The cubic root of 427974386 is about 753.5971705323.

The spelling of 427974386 in words is "four hundred twenty-seven million, nine hundred seventy-four thousand, three hundred eighty-six".