46649381 has 8 divisors (see below), whose sum is σ = 47779200. Its totient is φ = 45528912.

The previous prime is 46649329. The next prime is 46649399. The reversal of 46649381 is 18394664.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46649381 is a prime.

It is a super-2 number, since 2×46649381² = 4352329495366322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46642381) 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, 8336 + ... + 12758.

It is an arithmetic number, because the mean of its divisors is an integer number (5972400).

Almost surely, 2^46649381 is an apocalyptic number.

It is an amenable number.

46649381 is a deficient number, since it is larger than the sum of its proper divisors (1129819).

46649381 is a wasteful number, since it uses less digits than its factorization.

46649381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4675.

The product of its digits is 124416, while the sum is 41.

The square root of 46649381 is about 6830.0352122079. The cubic root of 46649381 is about 359.9829750179.

The spelling of 46649381 in words is "forty-six million, six hundred forty-nine thousand, three hundred eighty-one".