46387021 has 8 divisors (see below), whose sum is σ = 48850560. Its totient is φ = 43960752.

The previous prime is 46387007. The next prime is 46387027. The reversal of 46387021 is 12078364.

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 46387021 - 2¹⁷ = 46255949 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 (46387027) 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, 6745 + ... + 11758.

It is an arithmetic number, because the mean of its divisors is an integer number (6106320).

Almost surely, 2^46387021 is an apocalyptic number.

It is an amenable number.

46387021 is a deficient number, since it is larger than the sum of its proper divisors (2463539).

46387021 is a wasteful number, since it uses less digits than its factorization.

46387021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18635.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 46387021 is about 6810.8017883359. The cubic root of 46387021 is about 359.3068478300.

The spelling of 46387021 in words is "forty-six million, three hundred eighty-seven thousand, twenty-one".