498866840 has 32 divisors (see below), whose sum is σ = 1132758000. Its totient is φ = 197714304.

The previous prime is 498866839. The next prime is 498866861. The reversal of 498866840 is 48668894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52850 + ... + 61569.

Almost surely, 2^498866840 is an apocalyptic number.

498866840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

498866840 is an abundant number, since it is smaller than the sum of its proper divisors (633891160).

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

498866840 is a wasteful number, since it uses less digits than its factorization.

498866840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114539 (or 114535 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 53.

The square root of 498866840 is about 22335.3271746800. The cubic root of 498866840 is about 793.1004793310.

The spelling of 498866840 in words is "four hundred ninety-eight million, eight hundred sixty-six thousand, eight hundred forty".