9849420 has 72 divisors (see below), whose sum is σ = 34149024. Its totient is φ = 2251008.

The previous prime is 9849407. The next prime is 9849421. The reversal of 9849420 is 249489.

It is a happy number.

It is a super-2 number, since 2×9849420² = 194022148672800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (9849421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2649 + ... + 5168.

It is an arithmetic number, because the mean of its divisors is an integer number (474292).

Almost surely, 2^9849420 is an apocalyptic number.

9849420 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9849420 is an abundant number, since it is smaller than the sum of its proper divisors (24299604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9849420 is a wasteful number, since it uses less digits than its factorization.

9849420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7839 (or 7834 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 9849420 is about 3138.3785622515. The cubic root of 9849420 is about 214.3566127305.

It can be divided in two parts, 984 and 9420, that added together give a square (10404 = 102²).

The spelling of 9849420 in words is "nine million, eight hundred forty-nine thousand, four hundred twenty".