6901849 has 2 divisors, whose sum is σ = 6901850. Its totient is φ = 6901848.

The previous prime is 6901837. The next prime is 6901859. The reversal of 6901849 is 9481096.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6579225 + 322624 = 2565^2 + 568^2 .

It is a cyclic number.

It is not a de Polignac number, because 6901849 - 2¹¹ = 6899801 is a prime.

It is not a weakly prime, because it can be changed into another prime (6901859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3450924 + 3450925.

It is an arithmetic number, because the mean of its divisors is an integer number (3450925).

Almost surely, 2^6901849 is an apocalyptic number.

It is an amenable number.

6901849 is a deficient number, since it is larger than the sum of its proper divisors (1).

6901849 is an equidigital number, since it uses as much as digits as its factorization.

6901849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 6901849 is about 2627.1370348728. The cubic root of 6901849 is about 190.3948299240.

It can be divided in two parts, 6901 and 849, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 6901849 in words is "six million, nine hundred one thousand, eight hundred forty-nine".