5423649 has 32 divisors (see below), whose sum is σ = 9206784. Its totient is φ = 2758080.

The previous prime is 5423623. The next prime is 5423651. The reversal of 5423649 is 9463245.

It is not a de Polignac number, because 5423649 - 2⁵ = 5423617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a d-powerful number, because it can be written as 5³ + 4¹⁰ + 2¹⁷ + 3⁷ + 6⁶ + 4¹¹ + 9³ .

5423649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5423669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12022 + ... + 12464.

It is an arithmetic number, because the mean of its divisors is an integer number (287712).

Almost surely, 2^5423649 is an apocalyptic number.

It is an amenable number.

5423649 is a deficient number, since it is larger than the sum of its proper divisors (3783135).

5423649 is a wasteful number, since it uses less digits than its factorization.

5423649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517.

The product of its digits is 25920, while the sum is 33.

The square root of 5423649 is about 2328.8729033590. The cubic root of 5423649 is about 175.6968027892.

It can be divided in two parts, 54236 and 49, that added together give a triangular number (54285 = T₃₂₉).

The spelling of 5423649 in words is "five million, four hundred twenty-three thousand, six hundred forty-nine".