2038390 has 16 divisors (see below), whose sum is σ = 3748032. Its totient is φ = 797824.

The previous prime is 2038373. The next prime is 2038403. The reversal of 2038390 is 938302.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1699 + ... + 2638.

It is an arithmetic number, because the mean of its divisors is an integer number (234252).

2^2038390 is an apocalyptic number.

2038390 is a deficient number, since it is larger than the sum of its proper divisors (1709642).

2038390 is a wasteful number, since it uses less digits than its factorization.

2038390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4391.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2038390 is about 1427.7219617278. The cubic root of 2038390 is about 126.7931408351.

The spelling of 2038390 in words is "two million, thirty-eight thousand, three hundred ninety".