46398643 has 4 divisors (see below), whose sum is σ = 46438920. Its totient is φ = 46358368.

The previous prime is 46398607. The next prime is 46398647. The reversal of 46398643 is 34689364.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 46398643 - 2¹³ = 46390451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 46398643.

It is not an unprimeable number, because it can be changed into a prime (46398647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18358 + ... + 20731.

It is an arithmetic number, because the mean of its divisors is an integer number (11609730).

Almost surely, 2^46398643 is an apocalyptic number.

46398643 is a deficient number, since it is larger than the sum of its proper divisors (40277).

46398643 is a wasteful number, since it uses less digits than its factorization.

46398643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40276.

The product of its digits is 373248, while the sum is 43.

The square root of 46398643 is about 6811.6549384125. The cubic root of 46398643 is about 359.3368527423.

The spelling of 46398643 in words is "forty-six million, three hundred ninety-eight thousand, six hundred forty-three".