349008885 has 16 divisors (see below), whose sum is σ = 620460480. Its totient is φ = 186138000.

The previous prime is 349008871. The next prime is 349008893. The reversal of 349008885 is 588800943.

349008885 is a `hidden beast` number, since 3 + 490 + 0 + 88 + 85 = 666.

It is not a de Polignac number, because 349008885 - 2¹⁶ = 348943349 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 349008885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1292491 + ... + 1292760.

It is an arithmetic number, because the mean of its divisors is an integer number (38778780).

Almost surely, 2^349008885 is an apocalyptic number.

It is an amenable number.

349008885 is a deficient number, since it is larger than the sum of its proper divisors (271451595).

349008885 is a wasteful number, since it uses less digits than its factorization.

349008885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585265 (or 2585259 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 349008885 is about 18681.7794923289. The cubic root of 349008885 is about 704.0640363636.

The spelling of 349008885 in words is "three hundred forty-nine million, eight thousand, eight hundred eighty-five".