37098821 has 2 divisors, whose sum is σ = 37098822. Its totient is φ = 37098820.

The previous prime is 37098791. The next prime is 37098829. The reversal of 37098821 is 12889073.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24750625 + 12348196 = 4975^2 + 3514^2 .

It is an emirp because it is prime and its reverse (12889073) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37098821 - 2¹⁸ = 36836677 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37098829) 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, 18549410 + 18549411.

It is an arithmetic number, because the mean of its divisors is an integer number (18549411).

Almost surely, 2^37098821 is an apocalyptic number.

It is an amenable number.

37098821 is a deficient number, since it is larger than the sum of its proper divisors (1).

37098821 is an equidigital number, since it uses as much as digits as its factorization.

37098821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 37098821 is about 6090.8801498634. The cubic root of 37098821 is about 333.5185822517.

The spelling of 37098821 in words is "thirty-seven million, ninety-eight thousand, eight hundred twenty-one".