629901 has 24 divisors (see below), whose sum is σ = 1010880. Its totient is φ = 375936.

The previous prime is 629899. The next prime is 629903. The reversal of 629901 is 109926.

It is a happy number.

629901 is digitally balanced in base 2, 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 (629899) and next prime (629903).

It is not a de Polignac number, because 629901 - 2¹ = 629899 is a prime.

It is a Curzon number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3430 + ... + 3608.

It is an arithmetic number, because the mean of its divisors is an integer number (42120).

2⁶²⁹⁹⁰¹ is an apocalyptic number.

It is an amenable number.

629901 is a deficient number, since it is larger than the sum of its proper divisors (380979).

629901 is a wasteful number, since it uses less digits than its factorization.

629901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 629901 is about 793.6630267311. The cubic root of 629901 is about 85.7216981685.

The spelling of 629901 in words is "six hundred twenty-nine thousand, nine hundred one".