4361649 has 4 divisors (see below), whose sum is σ = 5815536. Its totient is φ = 2907764.

The previous prime is 4361611. The next prime is 4361653. The reversal of 4361649 is 9461634.

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.

It is a cyclic number.

It is not a de Polignac number, because 4361649 - 2²¹ = 2264497 is a prime.

It is a D-number.

4361649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4361689) 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, 726939 + ... + 726944.

It is an arithmetic number, because the mean of its divisors is an integer number (1453884).

Almost surely, 2^4361649 is an apocalyptic number.

It is an amenable number.

4361649 is a deficient number, since it is larger than the sum of its proper divisors (1453887).

4361649 is a wasteful number, since it uses less digits than its factorization.

4361649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453886.

The product of its digits is 15552, while the sum is 33.

The square root of 4361649 is about 2088.4561283398. The cubic root of 4361649 is about 163.3867764398.

The spelling of 4361649 in words is "four million, three hundred sixty-one thousand, six hundred forty-nine".