629403378 has 8 divisors (see below), whose sum is σ = 1258806768. Its totient is φ = 209801124.

The previous prime is 629403373. The next prime is 629403389. The reversal of 629403378 is 873304926.

It is a sphenic number, since it is the product of 3 distinct primes.

629403378 is an admirable number.

It is a super-2 number, since 2×629403378² = 792297224475621768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (629403371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52450276 + ... + 52450287.

It is an arithmetic number, because the mean of its divisors is an integer number (157350846).

Almost surely, 2^629403378 is an apocalyptic number.

629403378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

629403378 is a wasteful number, since it uses less digits than its factorization.

629403378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104900568.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 629403378 is about 25087.9129861374. The cubic root of 629403378 is about 856.9911883150.

The spelling of 629403378 in words is "six hundred twenty-nine million, four hundred three thousand, three hundred seventy-eight".