4390970 has 16 divisors (see below), whose sum is σ = 7927848. Its totient is φ = 1751040.

The previous prime is 4390937. The next prime is 4391003. The reversal of 4390970 is 790934.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4390937) and next prime (4391003).

It can be written as a sum of positive squares in 4 ways, for example, as 3455881 + 935089 = 1859^2 + 967^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5390 + ... + 6150.

Almost surely, 2^4390970 is an apocalyptic number.

4390970 is a deficient number, since it is larger than the sum of its proper divisors (3536878).

4390970 is a wasteful number, since it uses less digits than its factorization.

4390970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 4390970 is about 2095.4641490610. The cubic root of 4390970 is about 163.7520793008.

The spelling of 4390970 in words is "four million, three hundred ninety thousand, nine hundred seventy".