387437 has 2 divisors, whose sum is σ = 387438. Its totient is φ = 387436.

The previous prime is 387433. The next prime is 387449. The reversal of 387437 is 734783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320356 + 67081 = 566^2 + 259^2 .

It is a cyclic number.

It is not a de Polignac number, because 387437 - 2² = 387433 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 (387433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193718 + 193719.

It is an arithmetic number, because the mean of its divisors is an integer number (193719).

2³⁸⁷⁴³⁷ is an apocalyptic number.

It is an amenable number.

387437 is a deficient number, since it is larger than the sum of its proper divisors (1).

387437 is an equidigital number, since it uses as much as digits as its factorization.

387437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 32.

The square root of 387437 is about 622.4443750248. Note that the first 3 decimals coincide. The cubic root of 387437 is about 72.9010355973.

The spelling of 387437 in words is "three hundred eighty-seven thousand, four hundred thirty-seven".