46651621 has 8 divisors (see below), whose sum is σ = 50989824. Its totient is φ = 42490560.

The previous prime is 46651573. The next prime is 46651637. The reversal of 46651621 is 12615664.

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 46651621 - 2²³ = 38263013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46651681) 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, 43735 + ... + 44788.

It is an arithmetic number, because the mean of its divisors is an integer number (6373728).

Almost surely, 2^46651621 is an apocalyptic number.

It is an amenable number.

46651621 is a deficient number, since it is larger than the sum of its proper divisors (4338203).

46651621 is a wasteful number, since it uses less digits than its factorization.

46651621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88571.

The product of its digits is 8640, while the sum is 31.

The square root of 46651621 is about 6830.1991918245. The cubic root of 46651621 is about 359.9887367875.

The spelling of 46651621 in words is "forty-six million, six hundred fifty-one thousand, six hundred twenty-one".