46891237 has 2 divisors, whose sum is σ = 46891238. Its totient is φ = 46891236.

The previous prime is 46891217. The next prime is 46891241. The reversal of 46891237 is 73219864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31516996 + 15374241 = 5614^2 + 3921^2 .

It is a cyclic number.

It is not a de Polignac number, because 46891237 - 2¹⁹ = 46366949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46891237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46891217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23445618 + 23445619.

It is an arithmetic number, because the mean of its divisors is an integer number (23445619).

Almost surely, 2^46891237 is an apocalyptic number.

It is an amenable number.

46891237 is a deficient number, since it is larger than the sum of its proper divisors (1).

46891237 is an equidigital number, since it uses as much as digits as its factorization.

46891237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 46891237 is about 6847.7176489689. The cubic root of 46891237 is about 360.6040194265.

The spelling of 46891237 in words is "forty-six million, eight hundred ninety-one thousand, two hundred thirty-seven".