427638054 has 32 divisors (see below), whose sum is σ = 919457280. Its totient is φ = 132168672.

The previous prime is 427638047. The next prime is 427638059. The reversal of 427638054 is 450836724.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427638059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34549 + ... + 45264.

It is an arithmetic number, because the mean of its divisors is an integer number (28733040).

Almost surely, 2^427638054 is an apocalyptic number.

427638054 is an abundant number, since it is smaller than the sum of its proper divisors (491819226).

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

427638054 is a wasteful number, since it uses less digits than its factorization.

427638054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79884.

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 427638054 is about 20679.4113552586. The cubic root of 427638054 is about 753.3997091296.

The spelling of 427638054 in words is "four hundred twenty-seven million, six hundred thirty-eight thousand, fifty-four".