441690449 has 4 divisors (see below), whose sum is σ = 455938560. Its totient is φ = 427442340.

The previous prime is 441690433. The next prime is 441690463. The reversal of 441690449 is 944096144.

It is a happy number.

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 441690449 - 2⁴ = 441690433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441690409) 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, 7124009 + ... + 7124070.

It is an arithmetic number, because the mean of its divisors is an integer number (113984640).

Almost surely, 2^441690449 is an apocalyptic number.

It is an amenable number.

441690449 is a deficient number, since it is larger than the sum of its proper divisors (14248111).

441690449 is a wasteful number, since it uses less digits than its factorization.

441690449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14248110.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 441690449 is about 21016.4328324290. The cubic root of 441690449 is about 761.5632924318.

The spelling of 441690449 in words is "four hundred forty-one million, six hundred ninety thousand, four hundred forty-nine".