698429 has 4 divisors (see below), whose sum is σ = 700476. Its totient is φ = 696384.

The previous prime is 698419. The next prime is 698437. The reversal of 698429 is 924896.

698429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 240100 + 458329 = 490^2 + 677^2 .

It is a cyclic number.

It is not a de Polignac number, because 698429 - 2⁴ = 698413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 698392 and 698401.

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 698429.

It is not an unprimeable number, because it can be changed into a prime (698419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374 + ... + 1239.

It is an arithmetic number, because the mean of its divisors is an integer number (175119).

2⁶⁹⁸⁴²⁹ is an apocalyptic number.

It is an amenable number.

698429 is a deficient number, since it is larger than the sum of its proper divisors (2047).

698429 is a wasteful number, since it uses less digits than its factorization.

698429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046.

The product of its digits is 31104, while the sum is 38.

The square root of 698429 is about 835.7206471064. The cubic root of 698429 is about 88.7239267454.

The spelling of 698429 in words is "six hundred ninety-eight thousand, four hundred twenty-nine".