9955942 has 4 divisors (see below), whose sum is σ = 14933916. Its totient is φ = 4977970.

The previous prime is 9955937. The next prime is 9955949. The reversal of 9955942 is 2495599.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×9955942² = 198241562214728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9955949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2488984 + ... + 2488987.

It is an arithmetic number, because the mean of its divisors is an integer number (3733479).

Almost surely, 2^9955942 is an apocalyptic number.

9955942 is a deficient number, since it is larger than the sum of its proper divisors (4977974).

9955942 is a wasteful number, since it uses less digits than its factorization.

9955942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4977973.

The product of its digits is 145800, while the sum is 43.

The square root of 9955942 is about 3155.3037888609. The cubic root of 9955942 is about 215.1266029185.

The spelling of 9955942 in words is "nine million, nine hundred fifty-five thousand, nine hundred forty-two".