3937487 has 2 divisors, whose sum is σ = 3937488. Its totient is φ = 3937486.

The previous prime is 3937481. The next prime is 3937499. The reversal of 3937487 is 7847393.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3937487 - 2¹⁰ = 3936463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3937481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1968743 + 1968744.

It is an arithmetic number, because the mean of its divisors is an integer number (1968744).

Almost surely, 2^3937487 is an apocalyptic number.

3937487 is a deficient number, since it is larger than the sum of its proper divisors (1).

3937487 is an equidigital number, since it uses as much as digits as its factorization.

3937487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 41.

The square root of 3937487 is about 1984.3102076036. The cubic root of 3937487 is about 157.9088161578.

The spelling of 3937487 in words is "three million, nine hundred thirty-seven thousand, four hundred eighty-seven".