408247461 has 12 divisors (see below), whose sum is σ = 603405088. Its totient is φ = 265835304.

The previous prime is 408247457. The next prime is 408247513. The reversal of 408247461 is 164742804.

408247461 is a `hidden beast` number, since 408 + 247 + 4 + 6 + 1 = 666.

It is not a de Polignac number, because 408247461 - 2² = 408247457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408247451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 527065 + ... + 527838.

Almost surely, 2^408247461 is an apocalyptic number.

It is an amenable number.

408247461 is a deficient number, since it is larger than the sum of its proper divisors (195157627).

408247461 is a wasteful number, since it uses less digits than its factorization.

408247461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054952 (or 1054949 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 408247461 is about 20205.1345207103. The cubic root of 408247461 is about 741.8358731781.

The spelling of 408247461 in words is "four hundred eight million, two hundred forty-seven thousand, four hundred sixty-one".