46397921 has 8 divisors (see below), whose sum is σ = 47150400. Its totient is φ = 45651600.

The previous prime is 46397909. The next prime is 46397929. The reversal of 46397921 is 12979364.

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 46397921 - 2¹⁸ = 46135777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46397929) 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, 15050 + ... + 17868.

It is an arithmetic number, because the mean of its divisors is an integer number (5893800).

Almost surely, 2^46397921 is an apocalyptic number.

It is an amenable number.

46397921 is a deficient number, since it is larger than the sum of its proper divisors (752479).

46397921 is a wasteful number, since it uses less digits than its factorization.

46397921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079.

The product of its digits is 81648, while the sum is 41.

The square root of 46397921 is about 6811.6019408066. The cubic root of 46397921 is about 359.3349888763.

The spelling of 46397921 in words is "forty-six million, three hundred ninety-seven thousand, nine hundred twenty-one".