10420347 has 16 divisors (see below), whose sum is σ = 16308992. Its totient is φ = 5793120.

The previous prime is 10420331. The next prime is 10420349. The reversal of 10420347 is 74302401.

10420347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10420347 - 2⁴ = 10420331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (10420349) 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, 5929 + ... + 7482.

It is an arithmetic number, because the mean of its divisors is an integer number (1019312).

Almost surely, 2^10420347 is an apocalyptic number.

10420347 is a deficient number, since it is larger than the sum of its proper divisors (5888645).

10420347 is a wasteful number, since it uses less digits than its factorization.

10420347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13458.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 10420347 is about 3228.0562262761. The cubic root of 10420347 is about 218.4208336940.

Adding to 10420347 its reverse (74302401), we get a palindrome (84722748).

The spelling of 10420347 in words is "ten million, four hundred twenty thousand, three hundred forty-seven".