427693026 has 16 divisors (see below), whose sum is σ = 868153824. Its totient is φ = 140436384.

The previous prime is 427692961. The next prime is 427693031. The reversal of 427693026 is 620396724.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531555 + ... + 532358.

It is an arithmetic number, because the mean of its divisors is an integer number (54259614).

Almost surely, 2^427693026 is an apocalyptic number.

427693026 is an abundant number, since it is smaller than the sum of its proper divisors (440460798).

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

427693026 is a wasteful number, since it uses less digits than its factorization.

427693026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063985.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 427693026 is about 20680.7404606315. The cubic root of 427693026 is about 753.4319904120.

The spelling of 427693026 in words is "four hundred twenty-seven million, six hundred ninety-three thousand, twenty-six".