806667498 has 120 divisors (see below), whose sum is σ = 2264671332. Its totient is φ = 212720256.

The previous prime is 806667479. The next prime is 806667517. The reversal of 806667498 is 894766608.

It is an interprime number because it is at equal distance from previous prime (806667479) and next prime (806667517).

It can be written as a sum of positive squares in 2 ways, for example, as 576144009 + 230523489 = 24003^2 + 15183^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 99286 + ... + 107102.

Almost surely, 2^806667498 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806667498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1132335666).

806667498 is an abundant number, since it is smaller than the sum of its proper divisors (1458003834).

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

806667498 is a wasteful number, since it uses less digits than its factorization.

806667498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7858 (or 7842 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The square root of 806667498 is about 28401.8925073665. The cubic root of 806667498 is about 930.8896170033.

The spelling of 806667498 in words is "eight hundred six million, six hundred sixty-seven thousand, four hundred ninety-eight".