3405215247 has 8 divisors (see below), whose sum is σ = 5188899456. Its totient is φ = 1945837272.

The previous prime is 3405215227. The next prime is 3405215249. The reversal of 3405215247 is 7425125043.

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

It is not a de Polignac number, because 3405215247 - 2¹¹ = 3405213199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405215249) 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, 81076533 + ... + 81076574.

It is an arithmetic number, because the mean of its divisors is an integer number (648612432).

Almost surely, 2^3405215247 is an apocalyptic number.

3405215247 is a deficient number, since it is larger than the sum of its proper divisors (1783684209).

3405215247 is a wasteful number, since it uses less digits than its factorization.

3405215247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162153117.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 3405215247 is about 58354.2221865736. Note that the first 3 decimals coincide. The cubic root of 3405215247 is about 1504.4630405647.

The spelling of 3405215247 in words is "three billion, four hundred five million, two hundred fifteen thousand, two hundred forty-seven".