349485786 has 64 divisors (see below), whose sum is σ = 865267200. Its totient is φ = 103819968.

The previous prime is 349485761. The next prime is 349485793. The reversal of 349485786 is 687584943.

349485786 is a `hidden beast` number, since 3 + 494 + 85 + 78 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11775 + ... + 28941.

It is an arithmetic number, because the mean of its divisors is an integer number (13519800).

Almost surely, 2^349485786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 349485786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432633600).

349485786 is an abundant number, since it is smaller than the sum of its proper divisors (515781414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349485786 is a wasteful number, since it uses less digits than its factorization.

349485786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17220 (or 17214 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 349485786 is about 18694.5389352078. The cubic root of 349485786 is about 704.3845783679.

It can be divided in two parts, 3494857 and 86, that added together give a palindrome (3494943).

The spelling of 349485786 in words is "three hundred forty-nine million, four hundred eighty-five thousand, seven hundred eighty-six".