609898236 has 24 divisors (see below), whose sum is σ = 1443141504. Its totient is φ = 200435760.

The previous prime is 609898231. The next prime is 609898277. The reversal of 609898236 is 632898906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609898231) 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, 357070 + ... + 358773.

It is an arithmetic number, because the mean of its divisors is an integer number (60130896).

Almost surely, 2^609898236 is an apocalyptic number.

It is an amenable number.

609898236 is an abundant number, since it is smaller than the sum of its proper divisors (833243268).

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

609898236 is a wasteful number, since it uses less digits than its factorization.

609898236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715921 (or 715919 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 609898236 is about 24696.1178325663. The cubic root of 609898236 is about 848.0454448619.

The spelling of 609898236 in words is "six hundred nine million, eight hundred ninety-eight thousand, two hundred thirty-six".