2238890 has 16 divisors (see below), whose sum is σ = 4051080. Its totient is φ = 890880.

The previous prime is 2238823. The next prime is 2238931. The reversal of 2238890 is 988322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1408969 + 829921 = 1187^2 + 911^2 .

It is a d-powerful number, because it can be written as 2¹⁶ + 2¹⁶ + 3⁸ + 8⁴ + 8⁷ + 9 + 0 .

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1946 + ... + 2874.

2^2238890 is an apocalyptic number.

2238890 is a deficient number, since it is larger than the sum of its proper divisors (1812190).

2238890 is a wasteful number, since it uses less digits than its factorization.

2238890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177.

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

The square root of 2238890 is about 1496.2920837858. The cubic root of 2238890 is about 130.8210364342.

The spelling of 2238890 in words is "two million, two hundred thirty-eight thousand, eight hundred ninety".