3881407 has 2 divisors, whose sum is σ = 3881408. Its totient is φ = 3881406.

The previous prime is 3881393. The next prime is 3881413. The reversal of 3881407 is 7041883.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7041883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3881407 - 2¹⁵ = 3848639 is a prime.

It is equal to p₂₇₅₃₆₈ and since 3881407 and 275368 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3881467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1940703 + 1940704.

It is an arithmetic number, because the mean of its divisors is an integer number (1940704).

Almost surely, 2^3881407 is an apocalyptic number.

3881407 is a deficient number, since it is larger than the sum of its proper divisors (1).

3881407 is an equidigital number, since it uses as much as digits as its factorization.

3881407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 3881407 is about 1970.1286760006. The cubic root of 3881407 is about 157.1555519457.

The spelling of 3881407 in words is "three million, eight hundred eighty-one thousand, four hundred seven".