9401879 has 2 divisors, whose sum is σ = 9401880. Its totient is φ = 9401878.

The previous prime is 9401863. The next prime is 9401881. The reversal of 9401879 is 9781049.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9401879 - 2⁴ = 9401863 is a prime.

Together with 9401881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9401809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4700939 + 4700940.

It is an arithmetic number, because the mean of its divisors is an integer number (4700940).

Almost surely, 2^9401879 is an apocalyptic number.

9401879 is a deficient number, since it is larger than the sum of its proper divisors (1).

9401879 is an equidigital number, since it uses as much as digits as its factorization.

9401879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 9401879 is about 3066.2483591516. The cubic root of 9401879 is about 211.0594907236.

It can be divided in two parts, 940 and 1879, that multiplied together give a triangular number (1766260 = T₁₈₇₉).

The spelling of 9401879 in words is "nine million, four hundred one thousand, eight hundred seventy-nine".