46681421 has 8 divisors (see below), whose sum is σ = 48929280. Its totient is φ = 44451792.

The previous prime is 46681417. The next prime is 46681447. The reversal of 46681421 is 12418664.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 46681421 - 2² = 46681417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46681471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836 + ... + 9698.

It is an arithmetic number, because the mean of its divisors is an integer number (6116160).

Almost surely, 2^46681421 is an apocalyptic number.

It is an amenable number.

46681421 is a deficient number, since it is larger than the sum of its proper divisors (2247859).

46681421 is a wasteful number, since it uses less digits than its factorization.

46681421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9115.

The product of its digits is 9216, while the sum is 32.

The square root of 46681421 is about 6832.3803319195. The cubic root of 46681421 is about 360.0653713591.

The spelling of 46681421 in words is "forty-six million, six hundred eighty-one thousand, four hundred twenty-one".