426328747 has 4 divisors (see below), whose sum is σ = 459123280. Its totient is φ = 393534216.

The previous prime is 426328699. The next prime is 426328781. The reversal of 426328747 is 747823624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 426328747 - 2¹¹ = 426326699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426328787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16397247 + ... + 16397272.

It is an arithmetic number, because the mean of its divisors is an integer number (114780820).

Almost surely, 2^426328747 is an apocalyptic number.

426328747 is a deficient number, since it is larger than the sum of its proper divisors (32794533).

426328747 is a wasteful number, since it uses less digits than its factorization.

426328747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32794532.

The product of its digits is 451584, while the sum is 43.

The square root of 426328747 is about 20647.7298267873. The cubic root of 426328747 is about 752.6300239994.

The spelling of 426328747 in words is "four hundred twenty-six million, three hundred twenty-eight thousand, seven hundred forty-seven".