3505406401 has 8 divisors (see below), whose sum is σ = 4015697984. Its totient is φ = 2997494640.

The previous prime is 3505406393. The next prime is 3505406417. The reversal of 3505406401 is 1046045053.

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

It is not a de Polignac number, because 3505406401 - 2³ = 3505406393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3505406401.

It is not an unprimeable number, because it can be changed into a prime (3505406431) 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, 591795 + ... + 597688.

It is an arithmetic number, because the mean of its divisors is an integer number (501962248).

Almost surely, 2^3505406401 is an apocalyptic number.

It is an amenable number.

3505406401 is a deficient number, since it is larger than the sum of its proper divisors (510291583).

3505406401 is a wasteful number, since it uses less digits than its factorization.

3505406401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189911.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 3505406401 is about 59206.4726275768. The cubic root of 3505406401 is about 1519.0758465024.

The spelling of 3505406401 in words is "three billion, five hundred five million, four hundred six thousand, four hundred one".