7438655 has 16 divisors (see below), whose sum is σ = 10251264. Its totient is φ = 5076000.

The previous prime is 7438631. The next prime is 7438663. The reversal of 7438655 is 5568347.

It is not a de Polignac number, because 7438655 - 2⁸ = 7438399 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9530 + ... + 10280.

It is an arithmetic number, because the mean of its divisors is an integer number (640704).

Almost surely, 2^7438655 is an apocalyptic number.

7438655 is a deficient number, since it is larger than the sum of its proper divisors (2812609).

7438655 is a wasteful number, since it uses less digits than its factorization.

7438655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046.

The product of its digits is 100800, while the sum is 38.

The square root of 7438655 is about 2727.3897777912. The cubic root of 7438655 is about 195.2082368954.

It can be divided in two parts, 74386 and 55, that multiplied together give a triangular number (4091230 = T₂₈₆₀).

The spelling of 7438655 in words is "seven million, four hundred thirty-eight thousand, six hundred fifty-five".