2897424 has 80 divisors (see below), whose sum is σ = 8779200. Its totient is φ = 912384.

The previous prime is 2897423. The next prime is 2897437. The reversal of 2897424 is 4247982.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2897423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8032 + ... + 8384.

It is an arithmetic number, because the mean of its divisors is an integer number (109740).

2^2897424 is an apocalyptic number.

2897424 is a gapful number since it is divisible by the number (24) 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 2897424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4389600).

2897424 is an abundant number, since it is smaller than the sum of its proper divisors (5881776).

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

2897424 is a wasteful number, since it uses less digits than its factorization.

2897424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 377 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2897424 is about 1702.1821289157. The cubic root of 2897424 is about 142.5620782157.

It can be divided in two parts, 2897 and 424, that added together give a triangular number (3321 = T₈₁).

The spelling of 2897424 in words is "two million, eight hundred ninety-seven thousand, four hundred twenty-four".