2749469 has 4 divisors (see below), whose sum is σ = 2752896. Its totient is φ = 2746044.

The previous prime is 2749447. The next prime is 2749499. The reversal of 2749469 is 9649472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2749469 - 2¹² = 2745373 is a prime.

It is a super-2 number, since 2×2749469² = 15119159563922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2749499) 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, 212 + ... + 2354.

It is an arithmetic number, because the mean of its divisors is an integer number (688224).

2^2749469 is an apocalyptic number.

It is an amenable number.

2749469 is a deficient number, since it is larger than the sum of its proper divisors (3427).

2749469 is a wasteful number, since it uses less digits than its factorization.

2749469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426.

The product of its digits is 108864, while the sum is 41.

The square root of 2749469 is about 1658.1522849244. The cubic root of 2749469 is about 140.0929484803.

The spelling of 2749469 in words is "two million, seven hundred forty-nine thousand, four hundred sixty-nine".