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396894877 = 2389193891
BaseRepresentation
bin10111101010000…
…010001010011101
31000122211100102021
4113222002022131
51303101114002
6103214500141
712556356631
oct2752021235
91018740367
10396894877
11194044aa5
12b0b04651
13642c5152
143a9d6dc1
1524c9d737
hex17a8229d

396894877 has 8 divisors (see below), whose sum is σ = 418806720. Its totient is φ = 375371040.

The previous prime is 396894871. The next prime is 396894881. The reversal of 396894877 is 778498693.

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

It is not a de Polignac number, because 396894877 - 27 = 396894749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396894871) 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, 94899 + ... + 98992.

It is an arithmetic number, because the mean of its divisors is an integer number (52350840).

Almost surely, 2396894877 is an apocalyptic number.

It is an amenable number.

396894877 is a deficient number, since it is larger than the sum of its proper divisors (21911843).

396894877 is a wasteful number, since it uses less digits than its factorization.

396894877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194003.

The product of its digits is 18289152, while the sum is 61.

The square root of 396894877 is about 19922.2206844518. The cubic root of 396894877 is about 734.8947830938.

The spelling of 396894877 in words is "three hundred ninety-six million, eight hundred ninety-four thousand, eight hundred seventy-seven".

Divisors: 1 23 89 2047 193891 4459493 17256299 396894877