407478 has 16 divisors (see below), whose sum is σ = 823536. Its totient is φ = 134400.

The previous prime is 407471. The next prime is 407483. The reversal of 407478 is 874704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378 + ... + 978.

It is an arithmetic number, because the mean of its divisors is an integer number (51471).

2⁴⁰⁷⁴⁷⁸ is an apocalyptic number.

407478 is an abundant number, since it is smaller than the sum of its proper divisors (416058).

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

407478 is a wasteful number, since it uses less digits than its factorization.

407478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 407478 is about 638.3400347777. The cubic root of 407478 is about 74.1369511617.

It can be divided in two parts, 40747 and 8, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 407478 in words is "four hundred seven thousand, four hundred seventy-eight".