9920412 has 36 divisors (see below), whose sum is σ = 25203360. Its totient is φ = 3290112.

The previous prime is 9920411. The next prime is 9920419. The reversal of 9920412 is 2140299.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9920411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8028 + ... + 9180.

Almost surely, 2^9920412 is an apocalyptic number.

It is an amenable number.

9920412 is an abundant number, since it is smaller than the sum of its proper divisors (15282948).

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

9920412 is a wasteful number, since it uses less digits than its factorization.

9920412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402 (or 1397 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 9920412 is about 3149.6685539910. The cubic root of 9920412 is about 214.8703887996.

The spelling of 9920412 in words is "nine million, nine hundred twenty thousand, four hundred twelve".