3861401 has 4 divisors (see below), whose sum is σ = 4029312. Its totient is φ = 3693492.

The previous prime is 3861383. The next prime is 3861413. The reversal of 3861401 is 1041683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1041683 = 97 ⋅10739.

It is a cyclic number.

It is not a de Polignac number, because 3861401 - 2⁶ = 3861337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 167887 = 3861401 / (3 + 8 + 6 + 1 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3861461) 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, 83921 + ... + 83966.

It is an arithmetic number, because the mean of its divisors is an integer number (1007328).

Almost surely, 2^3861401 is an apocalyptic number.

It is an amenable number.

3861401 is a deficient number, since it is larger than the sum of its proper divisors (167911).

3861401 is a wasteful number, since it uses less digits than its factorization.

3861401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167910.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 3861401 is about 1965.0447832047. The cubic root of 3861401 is about 156.8850768911.

The spelling of 3861401 in words is "three million, eight hundred sixty-one thousand, four hundred one".