609973146 has 32 divisors (see below), whose sum is σ = 1387024320. Its totient is φ = 198595152.

The previous prime is 609973139. The next prime is 609973201. The reversal of 609973146 is 641379906.

609973146 is a `hidden beast` number, since 609 + 9 + 7 + 31 + 4 + 6 = 666.

It is a super-2 number, since 2×609973146² = 744134477682274632, which contains 22 as substring.

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, 129025 + ... + 133668.

It is an arithmetic number, because the mean of its divisors is an integer number (43344510).

Almost surely, 2^609973146 is an apocalyptic number.

609973146 is an abundant number, since it is smaller than the sum of its proper divisors (777051174).

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

609973146 is a wasteful number, since it uses less digits than its factorization.

609973146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262747 (or 262741 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 609973146 is about 24697.6344211343. The cubic root of 609973146 is about 848.0801634864.

The spelling of 609973146 in words is "six hundred nine million, nine hundred seventy-three thousand, one hundred forty-six".