609333428 has 24 divisors (see below), whose sum is σ = 1164028320. Its totient is φ = 276789920.

The previous prime is 609333419. The next prime is 609333433. The reversal of 609333428 is 824333906.

It is a junction number, because it is equal to n+sod(n) for n = 609333391 and 609333400.

It is a congruent 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, 83303 + ... + 90321.

It is an arithmetic number, because the mean of its divisors is an integer number (48501180).

Almost surely, 2^609333428 is an apocalyptic number.

It is an amenable number.

609333428 is a deficient number, since it is larger than the sum of its proper divisors (554694892).

609333428 is a wasteful number, since it uses less digits than its factorization.

609333428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9007 (or 9005 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 609333428 is about 24684.6800262835. The cubic root of 609333428 is about 847.7835810752.

The spelling of 609333428 in words is "six hundred nine million, three hundred thirty-three thousand, four hundred twenty-eight".