9420156 has 72 divisors (see below), whose sum is σ = 25718784. Its totient is φ = 2898720.

The previous prime is 9420149. The next prime is 9420211. The reversal of 9420156 is 6510249.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25485 + ... + 25851.

Almost surely, 2^9420156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9420156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12859392).

9420156 is an abundant number, since it is smaller than the sum of its proper divisors (16298628).

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

9420156 is a wasteful number, since it uses less digits than its factorization.

9420156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 9420156 is about 3069.2272643126. The cubic root of 9420156 is about 211.1961668554.

The spelling of 9420156 in words is "nine million, four hundred twenty thousand, one hundred fifty-six".