9400879 has 2 divisors, whose sum is σ = 9400880. Its totient is φ = 9400878.

The previous prime is 9400873. The next prime is 9400889. The reversal of 9400879 is 9780049.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9400879 - 2³ = 9400871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9400871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4700439 + 4700440.

It is an arithmetic number, because the mean of its divisors is an integer number (4700440).

Almost surely, 2^9400879 is an apocalyptic number.

9400879 is a deficient number, since it is larger than the sum of its proper divisors (1).

9400879 is an equidigital number, since it uses as much as digits as its factorization.

9400879 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 37.

The square root of 9400879 is about 3066.0852890942. The cubic root of 9400879 is about 211.0520075749.

The spelling of 9400879 in words is "nine million, four hundred thousand, eight hundred seventy-nine".