349471494 has 72 divisors (see below), whose sum is σ = 794678040. Its totient is φ = 110975040.

The previous prime is 349471487. The next prime is 349471537. The reversal of 349471494 is 494174943.

349471494 is a `hidden beast` number, since 3 + 4 + 94 + 71 + 494 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1539409 + ... + 1539635.

It is an arithmetic number, because the mean of its divisors is an integer number (11037195).

Almost surely, 2^349471494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 349471494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397339020).

349471494 is an abundant number, since it is smaller than the sum of its proper divisors (445206546).

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

349471494 is a wasteful number, since it uses less digits than its factorization.

349471494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 352 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 349471494 is about 18694.1566806315. The cubic root of 349471494 is about 704.3749764499.

The spelling of 349471494 in words is "three hundred forty-nine million, four hundred seventy-one thousand, four hundred ninety-four".