7438983 has 4 divisors (see below), whose sum is σ = 9918648. Its totient is φ = 4959320.

The previous prime is 7438973. The next prime is 7438987. The reversal of 7438983 is 3898347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3898347 = 3 ⋅1299449.

It is a cyclic number.

It is not a de Polignac number, because 7438983 - 2⁴ = 7438967 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7438987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1239828 + ... + 1239833.

It is an arithmetic number, because the mean of its divisors is an integer number (2479662).

Almost surely, 2^7438983 is an apocalyptic number.

7438983 is a deficient number, since it is larger than the sum of its proper divisors (2479665).

7438983 is a wasteful number, since it uses less digits than its factorization.

7438983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479664.

The product of its digits is 145152, while the sum is 42.

The square root of 7438983 is about 2727.4499078810. The cubic root of 7438983 is about 195.2111060235.

The spelling of 7438983 in words is "seven million, four hundred thirty-eight thousand, nine hundred eighty-three".