4385971 has 2 divisors, whose sum is σ = 4385972. Its totient is φ = 4385970.

The previous prime is 4385963. The next prime is 4385981. The reversal of 4385971 is 1795834.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4385971 - 2³ = 4385963 is a prime.

It is a super-2 number, since 2×4385971² = 38473483225682, which contains 22 as substring.

4385971 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4385971.

It is not a weakly prime, because it can be changed into another prime (4385981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2192985 + 2192986.

It is an arithmetic number, because the mean of its divisors is an integer number (2192986).

Almost surely, 2^4385971 is an apocalyptic number.

4385971 is a deficient number, since it is larger than the sum of its proper divisors (1).

4385971 is an equidigital number, since it uses as much as digits as its factorization.

4385971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 4385971 is about 2094.2709948810. The cubic root of 4385971 is about 163.6899132728.

It can be divided in two parts, 4385 and 971, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 4385971 in words is "four million, three hundred eighty-five thousand, nine hundred seventy-one".