3408394642 has 16 divisors (see below), whose sum is σ = 5215630464. Its totient is φ = 1670058000.

The previous prime is 3408394637. The next prime is 3408394673. The reversal of 3408394642 is 2464938043.

It is a super-2 number, since 2×3408394642² = 23234308071228616328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18484 + ... + 84607.

It is an arithmetic number, because the mean of its divisors is an integer number (325976904).

Almost surely, 2^3408394642 is an apocalyptic number.

3408394642 is a deficient number, since it is larger than the sum of its proper divisors (1807235822).

3408394642 is a wasteful number, since it uses less digits than its factorization.

3408394642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103425.

The product of its (nonzero) digits is 497664, while the sum is 43.

The square root of 3408394642 is about 58381.4580324952. The cubic root of 3408394642 is about 1504.9311259379.

The spelling of 3408394642 in words is "three billion, four hundred eight million, three hundred ninety-four thousand, six hundred forty-two".