405415606 has 16 divisors (see below), whose sum is σ = 614270016. Its totient is φ = 200667456.

The previous prime is 405415537. The next prime is 405415627. The reversal of 405415606 is 606514504.

It is a super-4 number, since 4×405415606⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106915 + ... + 110641.

It is an arithmetic number, because the mean of its divisors is an integer number (38391876).

Almost surely, 2^405415606 is an apocalyptic number.

405415606 is a deficient number, since it is larger than the sum of its proper divisors (208854410).

405415606 is a wasteful number, since it uses less digits than its factorization.

405415606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4263.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 405415606 is about 20134.9349638880. The cubic root of 405415606 is about 740.1166154178.

The spelling of 405415606 in words is "four hundred five million, four hundred fifteen thousand, six hundred six".