3355402391 has 8 divisors (see below), whose sum is σ = 3677789568. Its totient is φ = 3035907000.

The previous prime is 3355402373. The next prime is 3355402409. The reversal of 3355402391 is 1932045533.

It is an interprime number because it is at equal distance from previous prime (3355402373) and next prime (3355402409).

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

It is a cyclic number.

It is not a de Polignac number, because 3355402391 - 2⁶ = 3355402327 is a prime.

It is a super-3 number, since 3×3355402391³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3355402331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720515 + ... + 725156.

It is an arithmetic number, because the mean of its divisors is an integer number (459723696).

Almost surely, 2^3355402391 is an apocalyptic number.

3355402391 is a deficient number, since it is larger than the sum of its proper divisors (322387177).

3355402391 is a wasteful number, since it uses less digits than its factorization.

3355402391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445893.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 3355402391 is about 57925.8352637232. The cubic root of 3355402391 is about 1497.0910126940.

The spelling of 3355402391 in words is "three billion, three hundred fifty-five million, four hundred two thousand, three hundred ninety-one".