3890344 has 8 divisors (see below), whose sum is σ = 7294410. Its totient is φ = 1945168.

The previous prime is 3890333. The next prime is 3890347. The reversal of 3890344 is 4430983.

It can be written as a sum of positive squares in only one way, i.e., 2067844 + 1822500 = 1438^2 + 1350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (3890347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243139 + ... + 243154.

Almost surely, 2^3890344 is an apocalyptic number.

It is an amenable number.

3890344 is a deficient number, since it is larger than the sum of its proper divisors (3404066).

3890344 is a wasteful number, since it uses less digits than its factorization.

3890344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486299 (or 486295 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 3890344 is about 1972.3954978655. The cubic root of 3890344 is about 157.2760771903.

The spelling of 3890344 in words is "three million, eight hundred ninety thousand, three hundred forty-four".