8406394413 has 32 divisors (see below), whose sum is σ = 12205668096. Its totient is φ = 5124860928.

The previous prime is 8406394411. The next prime is 8406394417. The reversal of 8406394413 is 3144936048.

It is not a de Polignac number, because 8406394413 - 2¹ = 8406394411 is a prime.

It is a super-2 number, since 2×8406394413² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8406394411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1550295 + ... + 1555707.

It is an arithmetic number, because the mean of its divisors is an integer number (381427128).

Almost surely, 2^8406394413 is an apocalyptic number.

It is an amenable number.

8406394413 is a deficient number, since it is larger than the sum of its proper divisors (3799273683).

8406394413 is a wasteful number, since it uses less digits than its factorization.

8406394413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6293.

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 8406394413 is about 91686.3916456526. The cubic root of 8406394413 is about 2033.3083969321.

The spelling of 8406394413 in words is "eight billion, four hundred six million, three hundred ninety-four thousand, four hundred thirteen".