7438491 has 6 divisors (see below), whose sum is σ = 10744500. Its totient is φ = 4958988.

The previous prime is 7438489. The next prime is 7438493. The reversal of 7438491 is 1948347.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7438489) and next prime (7438493).

It is not a de Polignac number, because 7438491 - 2¹ = 7438489 is a prime.

It is a super-2 number, since 2×7438491² = 110662296714162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7438493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 413241 + ... + 413258.

It is an arithmetic number, because the mean of its divisors is an integer number (1790750).

Almost surely, 2^7438491 is an apocalyptic number.

7438491 is a deficient number, since it is larger than the sum of its proper divisors (3306009).

7438491 is a wasteful number, since it uses less digits than its factorization.

7438491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826505 (or 826502 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 7438491 is about 2727.3597122492. The cubic root of 7438491 is about 195.2068022998.

The spelling of 7438491 in words is "seven million, four hundred thirty-eight thousand, four hundred ninety-one".