3355401321 has 16 divisors (see below), whose sum is σ = 5014960320. Its totient is φ = 2217136320.

The previous prime is 3355401317. The next prime is 3355401323. The reversal of 3355401321 is 1231045533.

3355401321 is a `hidden beast` number, since 335 + 5 + 4 + 0 + 1 + 321 = 666.

It is not a de Polignac number, because 3355401321 - 2² = 3355401317 is a prime.

It is a super-3 number, since 3×3355401321³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3355401323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546835 + ... + 552936.

It is an arithmetic number, because the mean of its divisors is an integer number (313435020).

Almost surely, 2^3355401321 is an apocalyptic number.

It is an amenable number.

3355401321 is a deficient number, since it is larger than the sum of its proper divisors (1659558999).

3355401321 is a wasteful number, since it uses less digits than its factorization.

3355401321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099893 (or 1099887 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 3355401321 is about 57925.8260277745. The cubic root of 3355401321 is about 1497.0908535588.

Adding to 3355401321 its reverse (1231045533), we get a palindrome (4586446854).

The spelling of 3355401321 in words is "three billion, three hundred fifty-five million, four hundred one thousand, three hundred twenty-one".