3498399855 has 16 divisors (see below), whose sum is σ = 6219377760. Its totient is φ = 1865813184.

The previous prime is 3498399811. The next prime is 3498399869. The reversal of 3498399855 is 5589938943.

3498399855 is a `hidden beast` number, since 3 + 498 + 3 + 9 + 98 + 55 = 666.

It is not a de Polignac number, because 3498399855 - 2¹² = 3498395759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3498399792 and 3498399801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12956902 + ... + 12957171.

It is an arithmetic number, because the mean of its divisors is an integer number (388711110).

Almost surely, 2^3498399855 is an apocalyptic number.

3498399855 is a deficient number, since it is larger than the sum of its proper divisors (2720977905).

3498399855 is a wasteful number, since it uses less digits than its factorization.

3498399855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25914087 (or 25914081 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 63.

The square root of 3498399855 is about 59147.2725913884. The cubic root of 3498399855 is about 1518.0630705411.

The spelling of 3498399855 in words is "three billion, four hundred ninety-eight million, three hundred ninety-nine thousand, eight hundred fifty-five".