406258099 has 4 divisors (see below), whose sum is σ = 437508736. Its totient is φ = 375007464.

The previous prime is 406258087. The next prime is 406258123. The reversal of 406258099 is 990852604.

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

It is not a de Polignac number, because 406258099 - 2¹⁷ = 406127027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406258009) 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, 15625299 + ... + 15625324.

It is an arithmetic number, because the mean of its divisors is an integer number (109377184).

Almost surely, 2^406258099 is an apocalyptic number.

406258099 is a deficient number, since it is larger than the sum of its proper divisors (31250637).

406258099 is a wasteful number, since it uses less digits than its factorization.

406258099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31250636.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 406258099 is about 20155.8452812081. The cubic root of 406258099 is about 740.6289387626.

The spelling of 406258099 in words is "four hundred six million, two hundred fifty-eight thousand, ninety-nine".