427801943 has 16 divisors (see below), whose sum is σ = 444040704. Its totient is φ = 411924480.

The previous prime is 427801937. The next prime is 427801949. The reversal of 427801943 is 349108724.

It is an interprime number because it is at equal distance from previous prime (427801937) and next prime (427801949).

It is a cyclic number.

It is not a de Polignac number, because 427801943 - 2⁶ = 427801879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427801897 and 427801906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427801949) 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, 1292288 + ... + 1292618.

It is an arithmetic number, because the mean of its divisors is an integer number (27752544).

Almost surely, 2^427801943 is an apocalyptic number.

427801943 is a deficient number, since it is larger than the sum of its proper divisors (16238761).

427801943 is a wasteful number, since it uses less digits than its factorization.

427801943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 427801943 is about 20683.3735884647. The cubic root of 427801943 is about 753.4959417214.

The spelling of 427801943 in words is "four hundred twenty-seven million, eight hundred one thousand, nine hundred forty-three".