445683949 has 8 divisors (see below), whose sum is σ = 475877952. Its totient is φ = 416391360.

The previous prime is 445683937. The next prime is 445683971. The reversal of 445683949 is 949386544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 445683949 - 2²⁵ = 412129517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445683896 and 445683905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445683929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224332 + ... + 226309.

It is an arithmetic number, because the mean of its divisors is an integer number (59484744).

Almost surely, 2^445683949 is an apocalyptic number.

It is an amenable number.

445683949 is a deficient number, since it is larger than the sum of its proper divisors (30194003).

445683949 is a wasteful number, since it uses less digits than its factorization.

445683949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450707.

The product of its digits is 3732480, while the sum is 52.

The square root of 445683949 is about 21111.2280315476. The cubic root of 445683949 is about 763.8516091332.

The spelling of 445683949 in words is "four hundred forty-five million, six hundred eighty-three thousand, nine hundred forty-nine".