3478571406 has 20 divisors (see below), whose sum is σ = 7794577032. Its totient is φ = 1159523748.

The previous prime is 3478571389. The next prime is 3478571407. The reversal of 3478571406 is 6041758743.

3478571406 is a `hidden beast` number, since 3 + 4 + 78 + 571 + 4 + 0 + 6 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3478571407) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10736170 + ... + 10736493.

Almost surely, 2^3478571406 is an apocalyptic number.

3478571406 is an abundant number, since it is smaller than the sum of its proper divisors (4316005626).

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

3478571406 is a wasteful number, since it uses less digits than its factorization.

3478571406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21472677 (or 21472668 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 3478571406 is about 58979.4151039157. The cubic root of 3478571406 is about 1515.1895772960.

The spelling of 3478571406 in words is "three billion, four hundred seventy-eight million, five hundred seventy-one thousand, four hundred six".