426349086 has 16 divisors (see below), whose sum is σ = 902857104. Its totient is φ = 133756544.

The previous prime is 426349067. The next prime is 426349087. The reversal of 426349086 is 680943624.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426349087) 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, 2089845 + ... + 2090048.

It is an arithmetic number, because the mean of its divisors is an integer number (56428569).

Almost surely, 2^426349086 is an apocalyptic number.

426349086 is an abundant number, since it is smaller than the sum of its proper divisors (476508018).

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

426349086 is a wasteful number, since it uses less digits than its factorization.

426349086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179915.

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 426349086 is about 20648.2223447928. Note that the first 3 decimals coincide. The cubic root of 426349086 is about 752.6419924617.

The spelling of 426349086 in words is "four hundred twenty-six million, three hundred forty-nine thousand, eighty-six".