845646498 has 24 divisors (see below), whose sum is σ = 1838100108. Its totient is φ = 280979712.

The previous prime is 845646493. The next prime is 845646499. The reversal of 845646498 is 894646548.

It can be written as a sum of positive squares in 2 ways, for example, as 719151489 + 126495009 = 26817^2 + 11247^2 .

It is not an unprimeable number, because it can be changed into a prime (845646493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69415 + ... + 80682.

Almost surely, 2^845646498 is an apocalyptic number.

845646498 is an abundant number, since it is smaller than the sum of its proper divisors (992453610).

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

845646498 is a wasteful number, since it uses less digits than its factorization.

845646498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150418 (or 150415 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The square root of 845646498 is about 29080.0016850068. The cubic root of 845646498 is about 945.6482391948.

Subtracting 845646498 from its reverse (894646548), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 845646498 in words is "eight hundred forty-five million, six hundred forty-six thousand, four hundred ninety-eight".