407485428 has 24 divisors (see below), whose sum is σ = 1086628032. Its totient is φ = 116424384.

The previous prime is 407485423. The next prime is 407485439. The reversal of 407485428 is 824584704.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 407485428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407485423) 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, 2425425 + ... + 2425592.

It is an arithmetic number, because the mean of its divisors is an integer number (45276168).

Almost surely, 2^407485428 is an apocalyptic number.

It is an amenable number.

407485428 is an abundant number, since it is smaller than the sum of its proper divisors (679142604).

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

407485428 is a wasteful number, since it uses less digits than its factorization.

407485428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4851031 (or 4851029 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 42.

The square root of 407485428 is about 20186.2683029826. The cubic root of 407485428 is about 741.3740164481.

The spelling of 407485428 in words is "four hundred seven million, four hundred eighty-five thousand, four hundred twenty-eight".