426213626 has 16 divisors (see below), whose sum is σ = 647184384. Its totient is φ = 210498624.

The previous prime is 426213617. The next prime is 426213629. The reversal of 426213626 is 626312624.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 426213592 and 426213601.

It is not an unprimeable number, because it can be changed into a prime (426213629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66311 + ... + 72453.

It is an arithmetic number, because the mean of its divisors is an integer number (40449024).

Almost surely, 2^426213626 is an apocalyptic number.

426213626 is a deficient number, since it is larger than the sum of its proper divisors (220970758).

426213626 is a wasteful number, since it uses less digits than its factorization.

426213626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6565.

The product of its digits is 20736, while the sum is 32.

The square root of 426213626 is about 20644.9418986831. The cubic root of 426213626 is about 752.5622739970.

The spelling of 426213626 in words is "four hundred twenty-six million, two hundred thirteen thousand, six hundred twenty-six".