9509401 has 4 divisors (see below), whose sum is σ = 10373904. Its totient is φ = 8644900.

The previous prime is 9509399. The next prime is 9509413. The reversal of 9509401 is 1049059.

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: 1049059 = 11 ⋅95369.

It is not a de Polignac number, because 9509401 - 2¹ = 9509399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9509401.

It is not an unprimeable number, because it can be changed into a prime (9509431) 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, 432235 + ... + 432256.

It is an arithmetic number, because the mean of its divisors is an integer number (2593476).

Almost surely, 2^9509401 is an apocalyptic number.

It is an amenable number.

9509401 is a deficient number, since it is larger than the sum of its proper divisors (864503).

9509401 is a wasteful number, since it uses less digits than its factorization.

9509401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864502.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 9509401 is about 3083.7316679633. The cubic root of 9509401 is about 211.8610175450.

The spelling of 9509401 in words is "nine million, five hundred nine thousand, four hundred one".