981429 has 16 divisors (see below), whose sum is σ = 1380864. Its totient is φ = 619200.

The previous prime is 981419. The next prime is 981437. The reversal of 981429 is 924189.

It is not a de Polignac number, because 981429 - 2⁵ = 981397 is a prime.

It is a Curzon number.

981429 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 981429.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 981429.

It is not an unprimeable number, because it can be changed into a prime (981419) 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, 5587 + ... + 5759.

It is an arithmetic number, because the mean of its divisors is an integer number (86304).

2⁹⁸¹⁴²⁹ is an apocalyptic number.

It is an amenable number.

981429 is a deficient number, since it is larger than the sum of its proper divisors (399435).

981429 is a wasteful number, since it uses less digits than its factorization.

981429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268.

The product of its digits is 5184, while the sum is 33.

The square root of 981429 is about 990.6709847371. The cubic root of 981429 is about 99.3770946119.

The spelling of 981429 in words is "nine hundred eighty-one thousand, four hundred twenty-nine".