429280991 has 8 divisors (see below), whose sum is σ = 462237840. Its totient is φ = 397180288.

The previous prime is 429280967. The next prime is 429281051. The reversal of 429280991 is 199082924.

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 429280991 - 2¹⁰ = 429279967 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 (429280921) 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, 212996 + ... + 215001.

It is an arithmetic number, because the mean of its divisors is an integer number (57779730).

Almost surely, 2^429280991 is an apocalyptic number.

429280991 is a deficient number, since it is larger than the sum of its proper divisors (32956849).

429280991 is a wasteful number, since it uses less digits than its factorization.

429280991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428073.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 429280991 is about 20719.0972535002. The cubic root of 429280991 is about 754.3633016456.

The spelling of 429280991 in words is "four hundred twenty-nine million, two hundred eighty thousand, nine hundred ninety-one".