46920447 has 18 divisors (see below), whose sum is σ = 77545832. Its totient is φ = 26780616.

The previous prime is 46920409. The next prime is 46920457. The reversal of 46920447 is 74402964.

It is not a de Polignac number, because 46920447 - 2⁶ = 46920383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46920457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 53938 + ... + 54800.

Almost surely, 2^46920447 is an apocalyptic number.

46920447 is a deficient number, since it is larger than the sum of its proper divisors (30625385).

46920447 is an frugal number, since it uses more digits than its factorization.

46920447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739 (or 873 counting only the distinct ones).

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

The square root of 46920447 is about 6849.8501443462. The cubic root of 46920447 is about 360.6788810117.

The spelling of 46920447 in words is "forty-six million, nine hundred twenty thousand, four hundred forty-seven".