3486216391 has 8 divisors (see below), whose sum is σ = 3988590080. Its totient is φ = 2984928408.

The previous prime is 3486216361. The next prime is 3486216403. The reversal of 3486216391 is 1936126843.

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

It is not a de Polignac number, because 3486216391 - 2¹¹ = 3486214343 is a prime.

It is a super-3 number, since 3×3486216391³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3486216301) 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 7 ways as a sum of consecutive naturals, for example, 264531 + ... + 277396.

It is an arithmetic number, because the mean of its divisors is an integer number (498573760).

Almost surely, 2^3486216391 is an apocalyptic number.

3486216391 is a deficient number, since it is larger than the sum of its proper divisors (502373689).

3486216391 is an equidigital number, since it uses as much as digits as its factorization.

3486216391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542853.

The product of its digits is 186624, while the sum is 43.

The square root of 3486216391 is about 59044.1901544936. The cubic root of 3486216391 is about 1516.2987611805.

The spelling of 3486216391 in words is "three billion, four hundred eighty-six million, two hundred sixteen thousand, three hundred ninety-one".