2039458 has 4 divisors (see below), whose sum is σ = 3059190. Its totient is φ = 1019728.

The previous prime is 2039437. The next prime is 2039461. The reversal of 2039458 is 8549302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8549302 = 2 ⋅4274651.

It can be written as a sum of positive squares in only one way, i.e., 1830609 + 208849 = 1353^2 + 457^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509863 + ... + 509866.

2^2039458 is an apocalyptic number.

2039458 is a deficient number, since it is larger than the sum of its proper divisors (1019732).

2039458 is a wasteful number, since it uses less digits than its factorization.

2039458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019731.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2039458 is about 1428.0959351528. The cubic root of 2039458 is about 126.8152810915.

The spelling of 2039458 in words is "two million, thirty-nine thousand, four hundred fifty-eight".