3423427861 has 16 divisors (see below), whose sum is σ = 3941910400. Its totient is φ = 2912345280.

The previous prime is 3423427831. The next prime is 3423427919. The reversal of 3423427861 is 1687243243.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3423427861 - 2¹⁵ = 3423395093 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 (3423427831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1701346 + ... + 1703356.

It is an arithmetic number, because the mean of its divisors is an integer number (246369400).

Almost surely, 2^3423427861 is an apocalyptic number.

It is an amenable number.

3423427861 is a deficient number, since it is larger than the sum of its proper divisors (518482539).

3423427861 is a wasteful number, since it uses less digits than its factorization.

3423427861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3724.

The product of its digits is 193536, while the sum is 40.

The square root of 3423427861 is about 58510.0663219587. The cubic root of 3423427861 is about 1507.1404532752.

The spelling of 3423427861 in words is "three billion, four hundred twenty-three million, four hundred twenty-seven thousand, eight hundred sixty-one".