46649819 has 16 divisors (see below), whose sum is σ = 51865920. Its totient is φ = 41733120.

The previous prime is 46649809. The next prime is 46649821. The reversal of 46649819 is 91894664.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 46649819 - 2¹² = 46645723 is a prime.

It is a super-2 number, since 2×46649819² = 4352411225465522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (46649809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89279 + ... + 89799.

It is an arithmetic number, because the mean of its divisors is an integer number (3241620).

Almost surely, 2^46649819 is an apocalyptic number.

46649819 is a deficient number, since it is larger than the sum of its proper divisors (5216101).

46649819 is a wasteful number, since it uses less digits than its factorization.

46649819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790.

The product of its digits is 373248, while the sum is 47.

The square root of 46649819 is about 6830.0672763890. The cubic root of 46649819 is about 359.9841016642.

The spelling of 46649819 in words is "forty-six million, six hundred forty-nine thousand, eight hundred nineteen".