407020 has 24 divisors (see below), whose sum is σ = 874944. Its totient is φ = 158976.

The previous prime is 406993. The next prime is 407023. The reversal of 407020 is 20704.

It is an Ulam number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (407023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724 + ... + 1156.

It is an arithmetic number, because the mean of its divisors is an integer number (36456).

2⁴⁰⁷⁰²⁰ is an apocalyptic number.

It is an amenable number.

407020 is an abundant number, since it is smaller than the sum of its proper divisors (467924).

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

407020 is a wasteful number, since it uses less digits than its factorization.

407020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 407020 is about 637.9811909453. The cubic root of 407020 is about 74.1091644238.

Adding to 407020 its reverse (20704), we get a palindrome (427724).

The spelling of 407020 in words is "four hundred seven thousand, twenty", and thus it is an iban number.