10420038 has 24 divisors (see below), whose sum is σ = 22698000. Its totient is φ = 3454704.

The previous prime is 10420009. The next prime is 10420079. The reversal of 10420038 is 83002401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 10420038.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2128 + ... + 5036.

It is an arithmetic number, because the mean of its divisors is an integer number (945750).

Almost surely, 2^10420038 is an apocalyptic number.

10420038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10420038 is an abundant number, since it is smaller than the sum of its proper divisors (12277962).

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

10420038 is a wasteful number, since it uses less digits than its factorization.

10420038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116 (or 3113 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 10420038 is about 3228.0083643014. The cubic root of 10420038 is about 218.4186746902.

Adding to 10420038 its reverse (83002401), we get a palindrome (93422439).

The spelling of 10420038 in words is "ten million, four hundred twenty thousand, thirty-eight".