7944546 has 32 divisors (see below), whose sum is σ = 16853760. Its totient is φ = 2489616.

The previous prime is 7944533. The next prime is 7944553. The reversal of 7944546 is 6454497.

It is a happy number.

It is a super-2 number, since 2×7944546² = 126231622292232, which contains 22 as substring.

It is an Ulam 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, 25725 + ... + 26031.

It is an arithmetic number, because the mean of its divisors is an integer number (526680).

Almost surely, 2^7944546 is an apocalyptic number.

7944546 is an abundant number, since it is smaller than the sum of its proper divisors (8909214).

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

7944546 is a wasteful number, since it uses less digits than its factorization.

7944546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558.

The product of its digits is 120960, while the sum is 39.

The square root of 7944546 is about 2818.6071028081. The cubic root of 7944546 is about 199.5368114433.

The spelling of 7944546 in words is "seven million, nine hundred forty-four thousand, five hundred forty-six".