7396405 has 4 divisors (see below), whose sum is σ = 8875692. Its totient is φ = 5917120.

The previous prime is 7396399. The next prime is 7396423. The reversal of 7396405 is 5046937.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5046937 = 7 ⋅720991.

It can be written as a sum of positive squares in 2 ways, for example, as 5793649 + 1602756 = 2407^2 + 1266^2 .

It is not a de Polignac number, because 7396405 - 2³ = 7396397 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 739636 + ... + 739645.

It is an arithmetic number, because the mean of its divisors is an integer number (2218923).

Almost surely, 2^7396405 is an apocalyptic number.

It is an amenable number.

7396405 is a deficient number, since it is larger than the sum of its proper divisors (1479287).

7396405 is a wasteful number, since it uses less digits than its factorization.

7396405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479286.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 7396405 is about 2719.6332473332. The cubic root of 7396405 is about 194.8379543534.

The spelling of 7396405 in words is "seven million, three hundred ninety-six thousand, four hundred five".