3430861 has 8 divisors (see below), whose sum is σ = 3965760. Its totient is φ = 2907168.

The previous prime is 3430831. The next prime is 3430873. The reversal of 3430861 is 1680343.

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

It is a cyclic number.

It is not a de Polignac number, because 3430861 - 2⁵ = 3430829 is a prime.

It is a Duffinian number.

3430861 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3430831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2131 + ... + 3376.

It is an arithmetic number, because the mean of its divisors is an integer number (495720).

Almost surely, 2^3430861 is an apocalyptic number.

It is an amenable number.

3430861 is a deficient number, since it is larger than the sum of its proper divisors (534899).

3430861 is an equidigital number, since it uses as much as digits as its factorization.

3430861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5603.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 3430861 is about 1852.2583513106. The cubic root of 3430861 is about 150.8230460783.

The spelling of 3430861 in words is "three million, four hundred thirty thousand, eight hundred sixty-one".