3861434 has 8 divisors (see below), whose sum is σ = 5845620. Its totient is φ = 1912896.

The previous prime is 3861433. The next prime is 3861439. The reversal of 3861434 is 4341683.

It can be written as a sum of positive squares in 2 ways, for example, as 3367225 + 494209 = 1835^2 + 703^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 3861397 and 3861406.

It is not an unprimeable number, because it can be changed into a prime (3861433) 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, 8639 + ... + 9074.

Almost surely, 2^3861434 is an apocalyptic number.

3861434 is a deficient number, since it is larger than the sum of its proper divisors (1984186).

3861434 is a wasteful number, since it uses less digits than its factorization.

3861434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17824.

The product of its digits is 6912, while the sum is 29.

The square root of 3861434 is about 1965.0531799420. The cubic root of 3861434 is about 156.8855238095.

Subtracting 3861434 from its reverse (4341683), we obtain a square (480249 = 693²).

The spelling of 3861434 in words is "three million, eight hundred sixty-one thousand, four hundred thirty-four".