427808146 has 8 divisors (see below), whose sum is σ = 641804220. Its totient is φ = 213873408.

The previous prime is 427808107. The next prime is 427808159. The reversal of 427808146 is 641808724.

It can be written as a sum of positive squares in 2 ways, for example, as 426876921 + 931225 = 20661^2 + 965^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 427808099 and 427808108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11490 + ... + 31426.

Almost surely, 2^427808146 is an apocalyptic number.

427808146 is a deficient number, since it is larger than the sum of its proper divisors (213996074).

427808146 is a wasteful number, since it uses less digits than its factorization.

427808146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30668.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 427808146 is about 20683.5235392812. The cubic root of 427808146 is about 753.4995835256.

The spelling of 427808146 in words is "four hundred twenty-seven million, eight hundred eight thousand, one hundred forty-six".