3491434478 has 32 divisors (see below), whose sum is σ = 6155401728. Its totient is φ = 1453917600.

The previous prime is 3491434459. The next prime is 3491434487. The reversal of 3491434478 is 8744341943.

It is a super-2 number, since 2×3491434478² = 24380229428334264968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415943 + ... + 424253.

It is an arithmetic number, because the mean of its divisors is an integer number (192356304).

Almost surely, 2^3491434478 is an apocalyptic number.

3491434478 is a deficient number, since it is larger than the sum of its proper divisors (2663967250).

3491434478 is a wasteful number, since it uses less digits than its factorization.

3491434478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9168.

The product of its digits is 1161216, while the sum is 47.

The square root of 3491434478 is about 59088.3616120806. The cubic root of 3491434478 is about 1517.0549041980.

The spelling of 3491434478 in words is "three billion, four hundred ninety-one million, four hundred thirty-four thousand, four hundred seventy-eight".