604090305 has 160 divisors (see below), whose sum is σ = 1371896064. Its totient is φ = 247463424.

The previous prime is 604090303. The next prime is 604090307. The reversal of 604090305 is 503090406.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (604090303) and next prime (604090307).

It is not a de Polignac number, because 604090305 - 2¹ = 604090303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (604090303) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1363414 + ... + 1363856.

Almost surely, 2^604090305 is an apocalyptic number.

604090305 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

604090305 is an abundant number, since it is smaller than the sum of its proper divisors (767805759).

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

604090305 is a wasteful number, since it uses less digits than its factorization.

604090305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 604090305 is about 24578.2486153916. The cubic root of 604090305 is about 845.3449357949.

The spelling of 604090305 in words is "six hundred four million, ninety thousand, three hundred five".