2920388 has 12 divisors (see below), whose sum is σ = 5229840. Its totient is φ = 1426152.

The previous prime is 2920381. The next prime is 2920391. The reversal of 2920388 is 8830292.

It is a happy number.

2920388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2¹⁸ + 9⁶ + 2¹⁹ + 0 + 3¹³ + 8⁴ + 8⁴ .

It is not an unprimeable number, because it can be changed into a prime (2920381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8318 + ... + 8661.

It is an arithmetic number, because the mean of its divisors is an integer number (435820).

2^2920388 is an apocalyptic number.

It is an amenable number.

2920388 is a deficient number, since it is larger than the sum of its proper divisors (2309452).

2920388 is a wasteful number, since it uses less digits than its factorization.

2920388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17026 (or 17024 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 2920388 is about 1708.9142752052. The cubic root of 2920388 is about 142.9377204470.

The spelling of 2920388 in words is "two million, nine hundred twenty thousand, three hundred eighty-eight".