787266 has 32 divisors (see below), whose sum is σ = 1785600. Its totient is φ = 257040.

The previous prime is 787261. The next prime is 787277. The reversal of 787266 is 662787.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 787266.

It is not an unprimeable number, because it can be changed into a prime (787261) by changing a digit.

787266 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3175 + ... + 3413.

It is an arithmetic number, because the mean of its divisors is an integer number (55800).

2⁷⁸⁷²⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 787266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892800).

787266 is an abundant number, since it is smaller than the sum of its proper divisors (998334).

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

787266 is a wasteful number, since it uses less digits than its factorization.

787266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 305 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 787266 is about 887.2801136056. The cubic root of 787266 is about 92.3365899909.

The spelling of 787266 in words is "seven hundred eighty-seven thousand, two hundred sixty-six".