299772 has 36 divisors (see below), whose sum is σ = 827736. Its totient is φ = 90720.

The previous prime is 299771. The next prime is 299777. The reversal of 299772 is 277992.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18 + ... + 774.

2²⁹⁹⁷⁷² is an apocalyptic number.

299772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 299772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413868).

299772 is an abundant number, since it is smaller than the sum of its proper divisors (527964).

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

299772 is a wasteful number, since it uses less digits than its factorization.

299772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778 (or 773 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 299772 is about 547.5143833727. The cubic root of 299772 is about 66.9263317421.

It can be divided in two parts, 29 and 9772, that added together give a square (9801 = 99²).

The spelling of 299772 in words is "two hundred ninety-nine thousand, seven hundred seventy-two".