407438485 has 4 divisors (see below), whose sum is σ = 488926188. Its totient is φ = 325950784.

The previous prime is 407438453. The next prime is 407438497. The reversal of 407438485 is 584834704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46362481 + 361076004 = 6809^2 + 19002^2 .

It is a cyclic number.

It is not a de Polignac number, because 407438485 - 2⁵ = 407438453 is a prime.

It is a super-2 number, since 2×407438485² = 332012238118190450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40743844 + ... + 40743853.

It is an arithmetic number, because the mean of its divisors is an integer number (122231547).

Almost surely, 2^407438485 is an apocalyptic number.

It is an amenable number.

407438485 is a deficient number, since it is larger than the sum of its proper divisors (81487703).

407438485 is an equidigital number, since it uses as much as digits as its factorization.

407438485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81487702.

The product of its (nonzero) digits is 430080, while the sum is 43.

The square root of 407438485 is about 20185.1055236281. The cubic root of 407438485 is about 741.3455461809.

The spelling of 407438485 in words is "four hundred seven million, four hundred thirty-eight thousand, four hundred eighty-five".