429930391 has 8 divisors (see below), whose sum is σ = 496604304. Its totient is φ = 367854720.

The previous prime is 429930331. The next prime is 429930407. The reversal of 429930391 is 193039924.

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

It is a cyclic number.

It is not a de Polignac number, because 429930391 - 2⁹ = 429929879 is a prime.

It is a super-2 number, since 2×429930391² = 369680282210825762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429930301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1149360 + ... + 1149733.

It is an arithmetic number, because the mean of its divisors is an integer number (62075538).

Almost surely, 2^429930391 is an apocalyptic number.

429930391 is a deficient number, since it is larger than the sum of its proper divisors (66673913).

429930391 is a wasteful number, since it uses less digits than its factorization.

429930391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299121.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 429930391 is about 20734.7628633655. The cubic root of 429930391 is about 754.7435007226.

The spelling of 429930391 in words is "four hundred twenty-nine million, nine hundred thirty thousand, three hundred ninety-one".