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8390395 = 513129083
BaseRepresentation
bin100000000000…
…011011111011
3120210021110101
4200000123323
54121443040
6455500231
7131213536
oct40003373
916707411
108390395
114810912
122987677
13197a040
141185a1d
15b0b09a
hex8006fb

8390395 has 8 divisors (see below), whose sum is σ = 10843056. Its totient is φ = 6195936.

The previous prime is 8390359. The next prime is 8390399. The reversal of 8390395 is 5930938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8390395 - 29 = 8389883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8390399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64477 + ... + 64606.

It is an arithmetic number, because the mean of its divisors is an integer number (1355382).

Almost surely, 28390395 is an apocalyptic number.

8390395 is a deficient number, since it is larger than the sum of its proper divisors (2452661).

8390395 is a wasteful number, since it uses less digits than its factorization.

8390395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129101.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 8390395 is about 2896.6178553617. The cubic root of 8390395 is about 203.2017617570.

The spelling of 8390395 in words is "eight million, three hundred ninety thousand, three hundred ninety-five".

Divisors: 1 5 13 65 129083 645415 1678079 8390395