426993546 has 96 divisors (see below), whose sum is σ = 1029775680. Its totient is φ = 117621504.

The previous prime is 426993509. The next prime is 426993577. The reversal of 426993546 is 645399624.

It is a junction number, because it is equal to n+sod(n) for n = 426993495 and 426993504.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1043790 + ... + 1044198.

It is an arithmetic number, because the mean of its divisors is an integer number (10726830).

Almost surely, 2^426993546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426993546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514887840).

426993546 is an abundant number, since it is smaller than the sum of its proper divisors (602782134).

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

426993546 is a wasteful number, since it uses less digits than its factorization.

426993546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 541 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 48.

The square root of 426993546 is about 20663.8221537062. The cubic root of 426993546 is about 753.0210272977.

The spelling of 426993546 in words is "four hundred twenty-six million, nine hundred ninety-three thousand, five hundred forty-six".