609888426 has 16 divisors (see below), whose sum is σ = 1394030784. Its totient is φ = 174253824.

The previous prime is 609888371. The next prime is 609888443. The reversal of 609888426 is 624888906.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7260535 + ... + 7260618.

It is an arithmetic number, because the mean of its divisors is an integer number (87126924).

Almost surely, 2^609888426 is an apocalyptic number.

609888426 is an abundant number, since it is smaller than the sum of its proper divisors (784142358).

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

609888426 is a wasteful number, since it uses less digits than its factorization.

609888426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14521165.

The product of its (nonzero) digits is 1327104, while the sum is 51.

The square root of 609888426 is about 24695.9192175550. The cubic root of 609888426 is about 848.0408979993.

The spelling of 609888426 in words is "six hundred nine million, eight hundred eighty-eight thousand, four hundred twenty-six".