997067286 has 24 divisors (see below), whose sum is σ = 2216220840. Its totient is φ = 332278416.

The previous prime is 997067263. The next prime is 997067293. The reversal of 997067286 is 682760799.

997067286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×997067286² = 1988286345622811592, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229890 + ... + 234186.

It is an arithmetic number, because the mean of its divisors is an integer number (92342535).

Almost surely, 2^997067286 is an apocalyptic number.

997067286 is an abundant number, since it is smaller than the sum of its proper divisors (1219153554).

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

997067286 is an frugal number, since it uses more digits than its factorization.

997067286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8605 (or 4302 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 997067286 is about 31576.3722742179. The cubic root of 997067286 is about 999.0214714609.

Multiplying 997067286 by its sum of digits (54), we get a square (53841633444 = 232038²).

997067286 divided by its sum of digits (54) gives a square (18464209 = 4297²).

The spelling of 997067286 in words is "nine hundred ninety-seven million, sixty-seven thousand, two hundred eighty-six".