406606037 has 4 divisors (see below), whose sum is σ = 406994700. Its totient is φ = 406217376.

The previous prime is 406606033. The next prime is 406606069. The reversal of 406606037 is 730606604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 390813361 + 15792676 = 19769^2 + 3974^2 .

It is a cyclic number.

It is not a de Polignac number, because 406606037 - 2² = 406606033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 406605994 and 406606012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406606033) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 192758 + ... + 194855.

It is an arithmetic number, because the mean of its divisors is an integer number (101748675).

Almost surely, 2^406606037 is an apocalyptic number.

It is an amenable number.

406606037 is a deficient number, since it is larger than the sum of its proper divisors (388663).

406606037 is a wasteful number, since it uses less digits than its factorization.

406606037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388662.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 406606037 is about 20164.4746274233. The cubic root of 406606037 is about 740.8403145855.

The spelling of 406606037 in words is "four hundred six million, six hundred six thousand, thirty-seven".