773864 has 32 divisors (see below), whose sum is σ = 1787520. Its totient is φ = 305856.

The previous prime is 773863. The next prime is 773867. The reversal of 773864 is 468377.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (773863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197 + ... + 1259.

It is an arithmetic number, because the mean of its divisors is an integer number (55860).

2⁷⁷³⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 773864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (893760).

773864 is an abundant number, since it is smaller than the sum of its proper divisors (1013656).

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

773864 is a wasteful number, since it uses less digits than its factorization.

773864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1085 counting only the distinct ones).

The product of its digits is 28224, while the sum is 35.

The square root of 773864 is about 879.6954018295. The cubic root of 773864 is about 91.8096252345.

The spelling of 773864 in words is "seven hundred seventy-three thousand, eight hundred sixty-four".