7440486 has 8 divisors (see below), whose sum is σ = 14880984. Its totient is φ = 2480160.

The previous prime is 7440481. The next prime is 7440491. The reversal of 7440486 is 6840447.

It is an interprime number because it is at equal distance from previous prime (7440481) and next prime (7440491).

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

7440486 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7440481) 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, 620035 + ... + 620046.

It is an arithmetic number, because the mean of its divisors is an integer number (1860123).

Almost surely, 2^7440486 is an apocalyptic number.

7440486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7440486 is a wasteful number, since it uses less digits than its factorization.

7440486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240086.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 7440486 is about 2727.7254260647. The cubic root of 7440486 is about 195.2242521992.

The spelling of 7440486 in words is "seven million, four hundred forty thousand, four hundred eighty-six".