37896949 has 2 divisors, whose sum is σ = 37896950. Its totient is φ = 37896948.

The previous prime is 37896941. The next prime is 37896953. The reversal of 37896949 is 94969873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35700625 + 2196324 = 5975^2 + 1482^2 .

It is an emirp because it is prime and its reverse (94969873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37896949 - 2³ = 37896941 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 37896949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37896941) 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, 18948474 + 18948475.

It is an arithmetic number, because the mean of its divisors is an integer number (18948475).

Almost surely, 2^37896949 is an apocalyptic number.

It is an amenable number.

37896949 is a deficient number, since it is larger than the sum of its proper divisors (1).

37896949 is an equidigital number, since it uses as much as digits as its factorization.

37896949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 55.

The square root of 37896949 is about 6156.0497886226. The cubic root of 37896949 is about 335.8933577146.

The spelling of 37896949 in words is "thirty-seven million, eight hundred ninety-six thousand, nine hundred forty-nine".