10239420 has 48 divisors (see below), whose sum is σ = 29288448. Its totient is φ = 2671680.

The previous prime is 10239419. The next prime is 10239421. The reversal of 10239420 is 2493201.

It is an interprime number because it is at equal distance from previous prime (10239419) and next prime (10239421).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10239421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005 + ... + 4635.

It is an arithmetic number, because the mean of its divisors is an integer number (610176).

Almost surely, 2^10239420 is an apocalyptic number.

10239420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10239420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14644224).

10239420 is an abundant number, since it is smaller than the sum of its proper divisors (19049028).

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

10239420 is a wasteful number, since it uses less digits than its factorization.

10239420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690 (or 3688 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 10239420 is about 3199.9093737167. The cubic root of 10239420 is about 217.1493093486.

The spelling of 10239420 in words is "ten million, two hundred thirty-nine thousand, four hundred twenty".