806642355 has 16 divisors (see below), whose sum is σ = 1291198464. Its totient is φ = 430019040.

The previous prime is 806642297. The next prime is 806642371. The reversal of 806642355 is 553246608.

It is not a de Polignac number, because 806642355 - 2¹⁰ = 806641331 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27342 + ... + 48588.

It is an arithmetic number, because the mean of its divisors is an integer number (80699904).

Almost surely, 2^806642355 is an apocalyptic number.

806642355 is a deficient number, since it is larger than the sum of its proper divisors (484556109).

806642355 is a wasteful number, since it uses less digits than its factorization.

806642355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23786.

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 806642355 is about 28401.4498749624. The cubic root of 806642355 is about 930.8799452774.

The spelling of 806642355 in words is "eight hundred six million, six hundred forty-two thousand, three hundred fifty-five".