427894623 has 64 divisors (see below), whose sum is σ = 713932800. Its totient is φ = 251475840.

The previous prime is 427894619. The next prime is 427894633. The reversal of 427894623 is 326498724.

It is not a de Polignac number, because 427894623 - 2² = 427894619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427894633) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1292568 + ... + 1292898.

It is an arithmetic number, because the mean of its divisors is an integer number (11155200).

Almost surely, 2^427894623 is an apocalyptic number.

427894623 is a deficient number, since it is larger than the sum of its proper divisors (286038177).

427894623 is a wasteful number, since it uses less digits than its factorization.

427894623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 503 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 427894623 is about 20685.6139140225. The cubic root of 427894623 is about 753.5503508256.

The spelling of 427894623 in words is "four hundred twenty-seven million, eight hundred ninety-four thousand, six hundred twenty-three".