3478491136 has 26 divisors (see below), whose sum is σ = 6956141222. Its totient is φ = 1739243520.

The previous prime is 3478491131. The next prime is 3478491169. The reversal of 3478491136 is 6311948743.

It can be written as a sum of positive squares in only one way, i.e., 2890137600 + 588353536 = 53760^2 + 24256^2 .

It is not an unprimeable number, because it can be changed into a prime (3478491131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420525 + ... + 428716.

Almost surely, 2^3478491136 is an apocalyptic number.

It is an amenable number.

3478491136 is a deficient number, since it is larger than the sum of its proper divisors (3477650086).

3478491136 is an frugal number, since it uses more digits than its factorization.

3478491136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849265 (or 849243 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 3478491136 is about 58978.7346083315. The cubic root of 3478491136 is about 1515.1779225880.

The spelling of 3478491136 in words is "three billion, four hundred seventy-eight million, four hundred ninety-one thousand, one hundred thirty-six".