46427409 has 36 divisors (see below), whose sum is σ = 80423616. Its totient is φ = 25234704.

The previous prime is 46427387. The next prime is 46427419. The reversal of 46427409 is 90472464.

46427409 is a `hidden beast` number, since 4 + 642 + 7 + 4 + 0 + 9 = 666.

It is not a de Polignac number, because 46427409 - 2⁷ = 46427281 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46427419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 259282 + ... + 259460.

Almost surely, 2^46427409 is an apocalyptic number.

It is an amenable number.

46427409 is a deficient number, since it is larger than the sum of its proper divisors (33996207).

46427409 is a wasteful number, since it uses less digits than its factorization.

46427409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 46427409 is about 6813.7661392214. The cubic root of 46427409 is about 359.4110973596.

The spelling of 46427409 in words is "forty-six million, four hundred twenty-seven thousand, four hundred nine".