407490841 has 4 divisors (see below), whose sum is σ = 417429684. Its totient is φ = 397552000.

The previous prime is 407490823. The next prime is 407490857. The reversal of 407490841 is 148094704.

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 235776025 + 171714816 = 15355^2 + 13104^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-407490841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 407490841.

It is not an unprimeable number, because it can be changed into a prime (407490641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4969360 + ... + 4969441.

It is an arithmetic number, because the mean of its divisors is an integer number (104357421).

Almost surely, 2^407490841 is an apocalyptic number.

407490841 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

407490841 is a deficient number, since it is larger than the sum of its proper divisors (9938843).

407490841 is an equidigital number, since it uses as much as digits as its factorization.

407490841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9938842.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 407490841 is about 20186.4023788292. The cubic root of 407490841 is about 741.3772992156.

The spelling of 407490841 in words is "four hundred seven million, four hundred ninety thousand, eight hundred forty-one".