5438890 has 8 divisors (see below), whose sum is σ = 9790020. Its totient is φ = 2175552.

The previous prime is 5438831. The next prime is 5438903. The reversal of 5438890 is 988345.

It can be written as a sum of positive squares in 2 ways, for example, as 5433561 + 5329 = 2331^2 + 73^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271935 + ... + 271954.

Almost surely, 2^5438890 is an apocalyptic number.

5438890 is a deficient number, since it is larger than the sum of its proper divisors (4351130).

5438890 is a wasteful number, since it uses less digits than its factorization.

5438890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543896.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 5438890 is about 2332.1427915117. The cubic root of 5438890 is about 175.8612241096.

It can be divided in two parts, 5438 and 890, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 5438890 in words is "five million, four hundred thirty-eight thousand, eight hundred ninety".