629331 has 16 divisors (see below), whose sum is σ = 887808. Its totient is φ = 396000.

The previous prime is 629311. The next prime is 629339. The reversal of 629331 is 133926.

629331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 629331 - 2⁷ = 629203 is a prime.

It is a super-2 number, since 2×629331² = 792115015122, which contains 22 as substring.

629331 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (629339) 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, 6181 + ... + 6281.

It is an arithmetic number, because the mean of its divisors is an integer number (55488).

2⁶²⁹³³¹ is an apocalyptic number.

629331 is a deficient number, since it is larger than the sum of its proper divisors (258477).

629331 is a wasteful number, since it uses less digits than its factorization.

629331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202.

The product of its digits is 972, while the sum is 24.

The square root of 629331 is about 793.3038509928. The cubic root of 629331 is about 85.6958337265.

The spelling of 629331 in words is "six hundred twenty-nine thousand, three hundred thirty-one".