Search a number
-
+
3856894 = 21928447
BaseRepresentation
bin1110101101100111111110
321020221122221
432231213332
51441410034
6214355554
744532406
oct16554776
97227587
103856894
1121a4818
12135bbba
13a506b2
14725806
15512bb4
hex3ad9fe

3856894 has 4 divisors (see below), whose sum is σ = 5785344. Its totient is φ = 1928446.

The previous prime is 3856891. The next prime is 3856903. The reversal of 3856894 is 4986583.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3856894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3856891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 964222 + ... + 964225.

It is an arithmetic number, because the mean of its divisors is an integer number (1446336).

Almost surely, 23856894 is an apocalyptic number.

3856894 is a deficient number, since it is larger than the sum of its proper divisors (1928450).

3856894 is a wasteful number, since it uses less digits than its factorization.

3856894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928449.

The product of its digits is 207360, while the sum is 43.

The square root of 3856894 is about 1963.8976551745. The cubic root of 3856894 is about 156.8240147430.

The spelling of 3856894 in words is "three million, eight hundred fifty-six thousand, eight hundred ninety-four".

Divisors: 1 2 1928447 3856894