3257846406 has 40 divisors (see below), whose sum is σ = 7323132960. Its totient is φ = 1082506032.

The previous prime is 3257846393. The next prime is 3257846413. The reversal of 3257846406 is 6046487523.

3257846406 is a `hidden beast` number, since 32 + 578 + 4 + 6 + 40 + 6 = 666.

It is a super-2 number, since 2×3257846406² = 21227126410174233672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19635 + ... + 83073.

It is an arithmetic number, because the mean of its divisors is an integer number (183078324).

Almost surely, 2^3257846406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3257846406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3661566480).

3257846406 is an abundant number, since it is smaller than the sum of its proper divisors (4065286554).

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

3257846406 is a wasteful number, since it uses less digits than its factorization.

3257846406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63770 (or 63761 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The square root of 3257846406 is about 57077.5473018945. The cubic root of 3257846406 is about 1482.4391247361.

The spelling of 3257846406 in words is "three billion, two hundred fifty-seven million, eight hundred forty-six thousand, four hundred six".