3491647338 has 16 divisors (see below), whose sum is σ = 6984304416. Its totient is φ = 1163714160.

The previous prime is 3491647337. The next prime is 3491647351. The reversal of 3491647338 is 8337461943.

3491647338 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3491647338² = 24383202265924972488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3491647331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7348 + ... + 83888.

It is an arithmetic number, because the mean of its divisors is an integer number (436519026).

Almost surely, 2^3491647338 is an apocalyptic number.

3491647338 is an abundant number, since it is smaller than the sum of its proper divisors (3492657078).

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

3491647338 is a wasteful number, since it uses less digits than its factorization.

3491647338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84149.

The product of its digits is 1306368, while the sum is 48.

The square root of 3491647338 is about 59090.1627853571. The cubic root of 3491647338 is about 1517.0857333359.

The spelling of 3491647338 in words is "three billion, four hundred ninety-one million, six hundred forty-seven thousand, three hundred thirty-eight".