1797408 has 54 divisors (see below), whose sum is σ = 5176899. Its totient is φ = 591552.

The previous prime is 1797407. The next prime is 1797413. The reversal of 1797408 is 8047971.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 898704 + 898704 = 948^2 + 948^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=948.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (1797407) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 22713 + ... + 22791.

2^1797408 is an apocalyptic number.

1797408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1797408

1797408 is an abundant number, since it is smaller than the sum of its proper divisors (3379491).

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

1797408 is an equidigital number, since it uses as much as digits as its factorization.

1797408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1797408 is about 1340.6744571297. The cubic root of 1797408 is about 121.5856227231.

Multiplying 1797408 by its product of nonzero digits (14112), we get a square (25365021696 = 159264²).

The spelling of 1797408 in words is "one million, seven hundred ninety-seven thousand, four hundred eight".