629846091 has 32 divisors (see below), whose sum is σ = 1070638080. Its totient is φ = 358483968.

The previous prime is 629846071. The next prime is 629846093. The reversal of 629846091 is 190648926.

It is a happy number.

It is not a de Polignac number, because 629846091 - 2¹⁵ = 629813323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (629846093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42090 + ... + 55056.

It is an arithmetic number, because the mean of its divisors is an integer number (33457440).

Almost surely, 2^629846091 is an apocalyptic number.

629846091 is a deficient number, since it is larger than the sum of its proper divisors (440791989).

629846091 is a wasteful number, since it uses less digits than its factorization.

629846091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13240 (or 13234 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 629846091 is about 25096.7346680798. The cubic root of 629846091 is about 857.1920728526.

The spelling of 629846091 in words is "six hundred twenty-nine million, eight hundred forty-six thousand, ninety-one".