Search a number
-
+
396892869 = 3298295503
BaseRepresentation
bin10111101010000…
…001101011000101
31000122211020122220
4113222001223011
51303101032434
6103214442553
712556351032
oct2752015305
91018736586
10396892869
1119404353a
12b0b03459
13642c4269
143a9d6389
1524c9cd49
hex17a81ac5

396892869 has 16 divisors (see below), whose sum is σ = 548198400. Its totient is φ = 255116736.

The previous prime is 396892861. The next prime is 396892883. The reversal of 396892869 is 968298693.

It is not a de Polignac number, because 396892869 - 23 = 396892861 is a prime.

It is a super-2 number, since 2×3968928692 = 315047898926102322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396892861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69372 + ... + 74874.

It is an arithmetic number, because the mean of its divisors is an integer number (34262400).

Almost surely, 2396892869 is an apocalyptic number.

It is an amenable number.

396892869 is a deficient number, since it is larger than the sum of its proper divisors (151305531).

396892869 is a wasteful number, since it uses less digits than its factorization.

396892869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6364.

The product of its digits is 10077696, while the sum is 60.

The square root of 396892869 is about 19922.1702883998. The cubic root of 396892869 is about 734.8935437469.

The spelling of 396892869 in words is "three hundred ninety-six million, eight hundred ninety-two thousand, eight hundred sixty-nine".

Divisors: 1 3 29 87 829 2487 5503 16509 24041 72123 159587 478761 4561987 13685961 132297623 396892869