37914389 has 2 divisors, whose sum is σ = 37914390. Its totient is φ = 37914388.

The previous prime is 37914353. The next prime is 37914421. The reversal of 37914389 is 98341973.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20857489 + 17056900 = 4567^2 + 4130^2 .

It is an emirp because it is prime and its reverse (98341973) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37914389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37914589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18957194 + 18957195.

It is an arithmetic number, because the mean of its divisors is an integer number (18957195).

Almost surely, 2^37914389 is an apocalyptic number.

It is an amenable number.

37914389 is a deficient number, since it is larger than the sum of its proper divisors (1).

37914389 is an equidigital number, since it uses as much as digits as its factorization.

37914389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The square root of 37914389 is about 6157.4661184614. The cubic root of 37914389 is about 335.9448753340.

The spelling of 37914389 in words is "thirty-seven million, nine hundred fourteen thousand, three hundred eighty-nine".