46649857 has 2 divisors, whose sum is σ = 46649858. Its totient is φ = 46649856.

The previous prime is 46649849. The next prime is 46649861. The reversal of 46649857 is 75894664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26615281 + 20034576 = 5159^2 + 4476^2 .

It is a cyclic number.

It is not a de Polignac number, because 46649857 - 2³ = 46649849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46649857.

It is not a weakly prime, because it can be changed into another prime (46649257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23324928 + 23324929.

It is an arithmetic number, because the mean of its divisors is an integer number (23324929).

Almost surely, 2^46649857 is an apocalyptic number.

It is an amenable number.

46649857 is a deficient number, since it is larger than the sum of its proper divisors (1).

46649857 is an equidigital number, since it uses as much as digits as its factorization.

46649857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 49.

The square root of 46649857 is about 6830.0700582058. The cubic root of 46649857 is about 359.9841994094.

The spelling of 46649857 in words is "forty-six million, six hundred forty-nine thousand, eight hundred fifty-seven".