7236406 has 8 divisors (see below), whose sum is σ = 10866240. Its totient is φ = 3614328.

The previous prime is 7236403. The next prime is 7236413. The reversal of 7236406 is 6046327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7236403) 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, 1980 + ... + 4288.

It is an arithmetic number, because the mean of its divisors is an integer number (1358280).

Almost surely, 2^7236406 is an apocalyptic number.

7236406 is a deficient number, since it is larger than the sum of its proper divisors (3629834).

7236406 is a wasteful number, since it uses less digits than its factorization.

7236406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3878.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 7236406 is about 2690.0568767221. The cubic root of 7236406 is about 193.4227892270.

The spelling of 7236406 in words is "seven million, two hundred thirty-six thousand, four hundred six".