609825380 has 48 divisors (see below), whose sum is σ = 1294999104. Its totient is φ = 241211520.

The previous prime is 609825361. The next prime is 609825409. The reversal of 609825380 is 83528906.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922250 + ... + 922910.

It is an arithmetic number, because the mean of its divisors is an integer number (26979148).

Almost surely, 2^609825380 is an apocalyptic number.

It is an amenable number.

609825380 is an abundant number, since it is smaller than the sum of its proper divisors (685173724).

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

609825380 is a wasteful number, since it uses less digits than its factorization.

609825380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 609825380 is about 24694.6427388614. The cubic root of 609825380 is about 848.0116754800.

The spelling of 609825380 in words is "six hundred nine million, eight hundred twenty-five thousand, three hundred eighty".