8472405 has 8 divisors (see below), whose sum is σ = 13555872. Its totient is φ = 4518608.

The previous prime is 8472383. The next prime is 8472407. The reversal of 8472405 is 5042748.

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 8472405 - 2¹⁰ = 8471381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8472407) 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, 282399 + ... + 282428.

It is an arithmetic number, because the mean of its divisors is an integer number (1694484).

Almost surely, 2^8472405 is an apocalyptic number.

It is an amenable number.

8472405 is a deficient number, since it is larger than the sum of its proper divisors (5083467).

8472405 is a wasteful number, since it uses less digits than its factorization.

8472405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564835.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 8472405 is about 2910.7395967348. The cubic root of 8472405 is about 203.8616661160.

The spelling of 8472405 in words is "eight million, four hundred seventy-two thousand, four hundred five".