Search a number
-
+
3869814 = 231349613
BaseRepresentation
bin1110110000110001110110
321021121101110
432300301312
51442313224
6214535450
744615154
oct16606166
97247343
103869814
1122034a3
121367586
13a56540
1472a3d4
15516929
hex3b0c76

3869814 has 16 divisors (see below), whose sum is σ = 8335152. Its totient is φ = 1190688.

The previous prime is 3869807. The next prime is 3869849. The reversal of 3869814 is 4189683.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24729 + ... + 24884.

It is an arithmetic number, because the mean of its divisors is an integer number (520947).

Almost surely, 23869814 is an apocalyptic number.

3869814 is an abundant number, since it is smaller than the sum of its proper divisors (4465338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3869814 is a wasteful number, since it uses less digits than its factorization.

3869814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49631.

The product of its digits is 41472, while the sum is 39.

The square root of 3869814 is about 1967.1842821658. The cubic root of 3869814 is about 156.9989316600.

The spelling of 3869814 in words is "three million, eight hundred sixty-nine thousand, eight hundred fourteen".

Divisors: 1 2 3 6 13 26 39 78 49613 99226 148839 297678 644969 1289938 1934907 3869814