7388434 has 4 divisors (see below), whose sum is σ = 11082654. Its totient is φ = 3694216.

The previous prime is 7388431. The next prime is 7388441. The reversal of 7388434 is 4348837.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4348837 = 821 ⋅5297.

It can be written as a sum of positive squares in only one way, i.e., 4995225 + 2393209 = 2235^2 + 1547^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7388393 and 7388402.

It is not an unprimeable number, because it can be changed into a prime (7388431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1847107 + ... + 1847110.

Almost surely, 2^7388434 is an apocalyptic number.

7388434 is a deficient number, since it is larger than the sum of its proper divisors (3694220).

7388434 is a wasteful number, since it uses less digits than its factorization.

7388434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3694219.

The product of its digits is 64512, while the sum is 37.

The square root of 7388434 is about 2718.1673973470. The cubic root of 7388434 is about 194.7679378355.

The spelling of 7388434 in words is "seven million, three hundred eighty-eight thousand, four hundred thirty-four".