1906337 has 2 divisors, whose sum is σ = 1906338. Its totient is φ = 1906336.

The previous prime is 1906321. The next prime is 1906343. The reversal of 1906337 is 7336091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1547536 + 358801 = 1244^2 + 599^2 .

It is a cyclic number.

It is not a de Polignac number, because 1906337 - 2⁴ = 1906321 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1906237) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953168 + 953169.

It is an arithmetic number, because the mean of its divisors is an integer number (953169).

2^1906337 is an apocalyptic number.

It is an amenable number.

1906337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1906337 is an equidigital number, since it uses as much as digits as its factorization.

1906337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 1906337 is about 1380.7016332286. The cubic root of 1906337 is about 123.9937778702.

The spelling of 1906337 in words is "one million, nine hundred six thousand, three hundred thirty-seven".