406457345 has 16 divisors (see below), whose sum is σ = 559751808. Its totient is φ = 277551360.

The previous prime is 406457341. The next prime is 406457351. The reversal of 406457345 is 543754604.

It is a happy number.

It is not a de Polignac number, because 406457345 - 2² = 406457341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 406457299 and 406457308.

It is not an unprimeable number, because it can be changed into a prime (406457341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15659 + ... + 32528.

It is an arithmetic number, because the mean of its divisors is an integer number (34984488).

Almost surely, 2^406457345 is an apocalyptic number.

It is an amenable number.

406457345 is a deficient number, since it is larger than the sum of its proper divisors (153294463).

406457345 is a wasteful number, since it uses less digits than its factorization.

406457345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48440.

The product of its (nonzero) digits is 201600, while the sum is 38.

The square root of 406457345 is about 20160.7873110154. The cubic root of 406457345 is about 740.7499974656.

The spelling of 406457345 in words is "four hundred six million, four hundred fifty-seven thousand, three hundred forty-five".