816347395 has 32 divisors (see below), whose sum is σ = 1088017920. Its totient is φ = 584855040.

The previous prime is 816347381. The next prime is 816347401. The reversal of 816347395 is 593743618.

It is not a de Polignac number, because 816347395 - 2¹³ = 816339203 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 411516 + ... + 413494.

It is an arithmetic number, because the mean of its divisors is an integer number (34000560).

Almost surely, 2^816347395 is an apocalyptic number.

816347395 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

816347395 is a deficient number, since it is larger than the sum of its proper divisors (271670525).

816347395 is a wasteful number, since it uses less digits than its factorization.

816347395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235.

The product of its digits is 544320, while the sum is 46.

The square root of 816347395 is about 28571.7936958813. The cubic root of 816347395 is about 934.5983366313.

The spelling of 816347395 in words is "eight hundred sixteen million, three hundred forty-seven thousand, three hundred ninety-five".