406283069 has 8 divisors (see below), whose sum is σ = 420699000. Its totient is φ = 391894272.

The previous prime is 406283039. The next prime is 406283083. The reversal of 406283069 is 960382604.

It can be written as a sum of positive squares in 4 ways, for example, as 9078169 + 397204900 = 3013^2 + 19930^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406283069 is a prime.

It is a super-2 number, since 2×406283069² = 330131864312117522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406283039) 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, 26537 + ... + 38945.

It is an arithmetic number, because the mean of its divisors is an integer number (52587375).

Almost surely, 2^406283069 is an apocalyptic number.

It is an amenable number.

406283069 is a deficient number, since it is larger than the sum of its proper divisors (14415931).

406283069 is a wasteful number, since it uses less digits than its factorization.

406283069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13567.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 406283069 is about 20156.4646949806. The cubic root of 406283069 is about 740.6441123069.

The spelling of 406283069 in words is "four hundred six million, two hundred eighty-three thousand, sixty-nine".