3478249393 has 8 divisors (see below), whose sum is σ = 3490445480. Its totient is φ = 3466074240.

The previous prime is 3478249373. The next prime is 3478249427. The reversal of 3478249393 is 3939428743.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1475865889 + 2002383504 = 38417^2 + 44748^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3478249393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3478249393.

It is not an unprimeable number, because it can be changed into a prime (3478249373) 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, 374263 + ... + 383443.

It is an arithmetic number, because the mean of its divisors is an integer number (436305685).

Almost surely, 2^3478249393 is an apocalyptic number.

It is an amenable number.

3478249393 is a deficient number, since it is larger than the sum of its proper divisors (12196087).

3478249393 is an equidigital number, since it uses as much as digits as its factorization.

3478249393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10467.

The product of its digits is 3919104, while the sum is 52.

The square root of 3478249393 is about 58976.6851645631. The cubic root of 3478249393 is about 1515.1428219147.

The spelling of 3478249393 in words is "three billion, four hundred seventy-eight million, two hundred forty-nine thousand, three hundred ninety-three".