999946260 has 72 divisors (see below), whose sum is σ = 3035858280. Its totient is φ = 266416128.

The previous prime is 999946249. The next prime is 999946309. The reversal of 999946260 is 62649999.

999946260 is a `hidden beast` number, since 9 + 9 + 9 + 9 + 4 + 626 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 36216324 + 963729936 = 6018^2 + 31044^2 .

It is a junction number, because it is equal to n+sod(n) for n = 999946197 and 999946206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 313956 + ... + 317124.

Almost surely, 2^999946260 is an apocalyptic number.

999946260 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

999946260 is an abundant number, since it is smaller than the sum of its proper divisors (2035912020).

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

999946260 is a wasteful number, since it uses less digits than its factorization.

999946260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4937 (or 4932 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 54.

The square root of 999946260 is about 31621.9268862604. The cubic root of 999946260 is about 999.9820863458.

The spelling of 999946260 in words is "nine hundred ninety-nine million, nine hundred forty-six thousand, two hundred sixty".