9851942 has 8 divisors (see below), whose sum is σ = 15647256. Its totient is φ = 4636192.

The previous prime is 9851929. The next prime is 9851951. The reversal of 9851942 is 2491589.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×9851942² = 194121522342728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9851896 and 9851905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144848 + ... + 144915.

It is an arithmetic number, because the mean of its divisors is an integer number (1955907).

Almost surely, 2^9851942 is an apocalyptic number.

9851942 is a deficient number, since it is larger than the sum of its proper divisors (5795314).

9851942 is a wasteful number, since it uses less digits than its factorization.

9851942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289782.

The product of its digits is 25920, while the sum is 38.

The square root of 9851942 is about 3138.7803363727. The cubic root of 9851942 is about 214.3749069123.

The spelling of 9851942 in words is "nine million, eight hundred fifty-one thousand, nine hundred forty-two".