429270885 has 24 divisors (see below), whose sum is σ = 750904440. Its totient is φ = 226841472.

The previous prime is 429270883. The next prime is 429270923. The reversal of 429270885 is 588072924.

It can be written as a sum of positive squares in 4 ways, for example, as 10536516 + 418734369 = 3246^2 + 20463^2 .

It is not a de Polignac number, because 429270885 - 2¹ = 429270883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 429270885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429270883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38854 + ... + 48663.

It is an arithmetic number, because the mean of its divisors is an integer number (31287685).

Almost surely, 2^429270885 is an apocalyptic number.

429270885 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

429270885 is a deficient number, since it is larger than the sum of its proper divisors (321633555).

429270885 is a wasteful number, since it uses less digits than its factorization.

429270885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87637 (or 87634 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 429270885 is about 20718.8533707829. The cubic root of 429270885 is about 754.3573819368.

The spelling of 429270885 in words is "four hundred twenty-nine million, two hundred seventy thousand, eight hundred eighty-five".