426379738 has 4 divisors (see below), whose sum is σ = 639569610. Its totient is φ = 213189868.

The previous prime is 426379693. The next prime is 426379781. The reversal of 426379738 is 837973624.

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

It can be written as a sum of positive squares in only one way, i.e., 424483609 + 1896129 = 20603^2 + 1377^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 426379691 and 426379700.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106594933 + ... + 106594936.

Almost surely, 2^426379738 is an apocalyptic number.

426379738 is a deficient number, since it is larger than the sum of its proper divisors (213189872).

426379738 is a wasteful number, since it uses less digits than its factorization.

426379738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213189871.

The product of its digits is 1524096, while the sum is 49.

The square root of 426379738 is about 20648.9645745253. The cubic root of 426379738 is about 752.6600288786.

The spelling of 426379738 in words is "four hundred twenty-six million, three hundred seventy-nine thousand, seven hundred thirty-eight".