406344927 has 4 divisors (see below), whose sum is σ = 541793240. Its totient is φ = 270896616.

The previous prime is 406344923. The next prime is 406344959. The reversal of 406344927 is 729443604.

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

It is not a de Polignac number, because 406344927 - 2² = 406344923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406344923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67724152 + ... + 67724157.

It is an arithmetic number, because the mean of its divisors is an integer number (135448310).

Almost surely, 2^406344927 is an apocalyptic number.

406344927 is a deficient number, since it is larger than the sum of its proper divisors (135448313).

406344927 is a wasteful number, since it uses less digits than its factorization.

406344927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135448312.

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 406344927 is about 20157.9990822502. Note that the first 3 decimals coincide. The cubic root of 406344927 is about 740.6816989404.

The spelling of 406344927 in words is "four hundred six million, three hundred forty-four thousand, nine hundred twenty-seven".