10047420 has 36 divisors (see below), whose sum is σ = 30477720. Its totient is φ = 2679264.

The previous prime is 10047403. The next prime is 10047421. The reversal of 10047420 is 2474001.

It is a happy number.

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

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

It is a junction number, because it is equal to n+sod(n) for n = 10047393 and 10047402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10047421) 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, 27730 + ... + 28089.

Almost surely, 2^10047420 is an apocalyptic number.

10047420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10047420 is an abundant number, since it is smaller than the sum of its proper divisors (20430300).

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

10047420 is a wasteful number, since it uses less digits than its factorization.

10047420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55834 (or 55829 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 10047420 is about 3169.7665529184. The cubic root of 10047420 is about 215.7834764398.

The spelling of 10047420 in words is "ten million, forty-seven thousand, four hundred twenty".