402759 has 16 divisors (see below), whose sum is σ = 682240. Its totient is φ = 230040.

The previous prime is 402757. The next prime is 402761. The reversal of 402759 is 957204.

402759 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (402757) and next prime (402761).

It is not a de Polignac number, because 402759 - 2¹ = 402757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

402759 is strictly pandigital in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 877 + ... + 1254.

It is an arithmetic number, because the mean of its divisors is an integer number (42640).

2⁴⁰²⁷⁵⁹ is an apocalyptic number.

402759 is a deficient number, since it is larger than the sum of its proper divisors (279481).

402759 is a wasteful number, since it uses less digits than its factorization.

402759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147 (or 2141 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 402759 is about 634.6329647915. The cubic root of 402759 is about 73.8496460187.

The spelling of 402759 in words is "four hundred two thousand, seven hundred fifty-nine".