9550381 has 4 divisors (see below), whose sum is σ = 9692992. Its totient is φ = 9407772.

The previous prime is 9550357. The next prime is 9550391. The reversal of 9550381 is 1830559.

9550381 is digitally balanced in base 2, because in such base 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9550381 - 2⁵ = 9550349 is a prime.

It is a super-2 number, since 2×9550381² = 182419554490322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9550351) 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, 71205 + ... + 71338.

It is an arithmetic number, because the mean of its divisors is an integer number (2423248).

Almost surely, 2^9550381 is an apocalyptic number.

It is an amenable number.

9550381 is a deficient number, since it is larger than the sum of its proper divisors (142611).

9550381 is a wasteful number, since it uses less digits than its factorization.

9550381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142610.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 9550381 is about 3090.3690718100. The cubic root of 9550381 is about 212.1649141038.

The spelling of 9550381 in words is "nine million, five hundred fifty thousand, three hundred eighty-one".