609450436 has 18 divisors (see below), whose sum is σ = 1240667358. Its totient is φ = 261192960.

The previous prime is 609450409. The next prime is 609450437. The reversal of 609450436 is 634054906.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 370562500 + 238887936 = 19250^2 + 15456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 609450395 and 609450404.

It is not an unprimeable number, because it can be changed into a prime (609450437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1554525 + ... + 1554916.

Almost surely, 2^609450436 is an apocalyptic number.

It is an amenable number.

609450436 is an abundant number, since it is smaller than the sum of its proper divisors (631216922).

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

609450436 is a wasteful number, since it uses less digits than its factorization.

609450436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109459 (or 3109450 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 609450436 is about 24687.0499655184. The cubic root of 609450436 is about 847.8378431632.

The spelling of 609450436 in words is "six hundred nine million, four hundred fifty thousand, four hundred thirty-six".