46649138 has 8 divisors (see below), whose sum is σ = 70021740. Its totient is φ = 23308560.

The previous prime is 46649137. The next prime is 46649149. The reversal of 46649138 is 83194664.

It can be written as a sum of positive squares in 2 ways, for example, as 46607929 + 41209 = 6827^2 + 203^2 .

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

It is a super-2 number, since 2×46649138² = 4352284152286088, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 46649095 and 46649104.

It is not an unprimeable number, because it can be changed into a prime (46649131) 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, 3953 + ... + 10436.

Almost surely, 2^46649138 is an apocalyptic number.

46649138 is a deficient number, since it is larger than the sum of its proper divisors (23372602).

46649138 is a wasteful number, since it uses less digits than its factorization.

46649138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16012.

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

The square root of 46649138 is about 6830.0174231110. The cubic root of 46649138 is about 359.9823499577.

The spelling of 46649138 in words is "forty-six million, six hundred forty-nine thousand, one hundred thirty-eight".