7897044 has 24 divisors (see below), whose sum is σ = 19510848. Its totient is φ = 2477440.

The previous prime is 7897037. The next prime is 7897049. The reversal of 7897044 is 4407987.

It is a junction number, because it is equal to n+sod(n) for n = 7896993 and 7897011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7897049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19152 + ... + 19559.

It is an arithmetic number, because the mean of its divisors is an integer number (812952).

Almost surely, 2^7897044 is an apocalyptic number.

It is an amenable number.

7897044 is an abundant number, since it is smaller than the sum of its proper divisors (11613804).

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

7897044 is a wasteful number, since it uses less digits than its factorization.

7897044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38735 (or 38733 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 7897044 is about 2810.1679665102. The cubic root of 7897044 is about 199.1383262566.

The spelling of 7897044 in words is "seven million, eight hundred ninety-seven thousand, forty-four".