406361111 has 8 divisors (see below), whose sum is σ = 442893360. Its totient is φ = 370582272.

The previous prime is 406361101. The next prime is 406361129. The reversal of 406361111 is 111163604.

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 406361111 - 2¹⁸ = 406098967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406361101) 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, 187226 + ... + 189383.

It is an arithmetic number, because the mean of its divisors is an integer number (55361670).

Almost surely, 2^406361111 is an apocalyptic number.

406361111 is a deficient number, since it is larger than the sum of its proper divisors (36532249).

406361111 is a wasteful number, since it uses less digits than its factorization.

406361111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376705.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 406361111 is about 20158.4005069847. The cubic root of 406361111 is about 740.6915321574.

The spelling of 406361111 in words is "four hundred six million, three hundred sixty-one thousand, one hundred eleven".