Search a number
-
+
3974863 = 31712539
BaseRepresentation
bin1111001010011011001111
321110221111011
433022123033
52004143423
6221110051
745533344
oct17123317
97427434
103974863
112275412
1213b8327
13a922b9
147567cb
15537b0d
hex3ca6cf

3974863 has 4 divisors (see below), whose sum is σ = 3987720. Its totient is φ = 3962008.

The previous prime is 3974849. The next prime is 3974881. The reversal of 3974863 is 3684793.

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

It is a cyclic number.

It is not a de Polignac number, because 3974863 - 29 = 3974351 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 (3974833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5953 + ... + 6586.

It is an arithmetic number, because the mean of its divisors is an integer number (996930).

Almost surely, 23974863 is an apocalyptic number.

3974863 is a deficient number, since it is larger than the sum of its proper divisors (12857).

3974863 is a wasteful number, since it uses less digits than its factorization.

3974863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12856.

The product of its digits is 108864, while the sum is 40.

The square root of 3974863 is about 1993.7058459061. The cubic root of 3974863 is about 158.4068853714.

The spelling of 3974863 in words is "three million, nine hundred seventy-four thousand, eight hundred sixty-three".

Divisors: 1 317 12539 3974863