405297802 has 16 divisors (see below), whose sum is σ = 748242432. Its totient is φ = 160337520.

The previous prime is 405297793. The next prime is 405297803. The reversal of 405297802 is 208792504.

It is not an unprimeable number, because it can be changed into a prime (405297803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113274 + ... + 1113637.

It is an arithmetic number, because the mean of its divisors is an integer number (46765152).

Almost surely, 2^405297802 is an apocalyptic number.

405297802 is a deficient number, since it is larger than the sum of its proper divisors (342944630).

405297802 is a wasteful number, since it uses less digits than its factorization.

405297802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226933.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 405297802 is about 20132.0093880368. The cubic root of 405297802 is about 740.0449217921.

The spelling of 405297802 in words is "four hundred five million, two hundred ninety-seven thousand, eight hundred two".