9461391 has 4 divisors (see below), whose sum is σ = 12615192. Its totient is φ = 6307592.

The previous prime is 9461383. The next prime is 9461399. The reversal of 9461391 is 1931649.

9461391 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1931649 = 3 ⋅643883.

It is an interprime number because it is at equal distance from previous prime (9461383) and next prime (9461399).

It is a cyclic number.

It is not a de Polignac number, because 9461391 - 2³ = 9461383 is a prime.

It is an Ulam number.

9461391 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9461399) 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, 1576896 + ... + 1576901.

It is an arithmetic number, because the mean of its divisors is an integer number (3153798).

Almost surely, 2^9461391 is an apocalyptic number.

9461391 is a deficient number, since it is larger than the sum of its proper divisors (3153801).

9461391 is a wasteful number, since it uses less digits than its factorization.

9461391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3153800.

The product of its digits is 5832, while the sum is 33.

The square root of 9461391 is about 3075.9374180890. The cubic root of 9461391 is about 211.5038757680.

The spelling of 9461391 in words is "nine million, four hundred sixty-one thousand, three hundred ninety-one".