429748391 has 8 divisors (see below), whose sum is σ = 432789120. Its totient is φ = 426715128.

The previous prime is 429748373. The next prime is 429748393. The reversal of 429748391 is 193847924.

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 429748391 - 2²⁶ = 362639527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429748393) 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, 161030 + ... + 163676.

It is an arithmetic number, because the mean of its divisors is an integer number (54098640).

Almost surely, 2^429748391 is an apocalyptic number.

429748391 is a deficient number, since it is larger than the sum of its proper divisors (3040729).

429748391 is a wasteful number, since it uses less digits than its factorization.

429748391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733.

The product of its digits is 435456, while the sum is 47.

The square root of 429748391 is about 20730.3736338736. The cubic root of 429748391 is about 754.6369852590.

The spelling of 429748391 in words is "four hundred twenty-nine million, seven hundred forty-eight thousand, three hundred ninety-one".