406995369 has 8 divisors (see below), whose sum is σ = 591993312. Its totient is φ = 246663840.

The previous prime is 406995361. The next prime is 406995431. The reversal of 406995369 is 963599604.

It is a happy number.

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

It is not a de Polignac number, because 406995369 - 2³ = 406995361 is a prime.

It is a super-2 number, since 2×406995369² = 331290460774892322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (406995361) 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, 6166564 + ... + 6166629.

It is an arithmetic number, because the mean of its divisors is an integer number (73999164).

Almost surely, 2^406995369 is an apocalyptic number.

It is an amenable number.

406995369 is a deficient number, since it is larger than the sum of its proper divisors (184997943).

406995369 is a wasteful number, since it uses less digits than its factorization.

406995369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12333207.

The product of its (nonzero) digits is 1574640, while the sum is 51.

The square root of 406995369 is about 20174.1262264317. The cubic root of 406995369 is about 741.0766947704.

The spelling of 406995369 in words is "four hundred six million, nine hundred ninety-five thousand, three hundred sixty-nine".