874819649 has 8 divisors (see below), whose sum is σ = 976543392. Its totient is φ = 776795040.

The previous prime is 874819639. The next prime is 874819667. The reversal of 874819649 is 946918478.

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

It is a cyclic number.

It is not a de Polignac number, because 874819649 - 2¹² = 874815553 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 874819594 and 874819603.

It is not an unprimeable number, because it can be changed into a prime (874819639) 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, 924284 + ... + 925229.

It is an arithmetic number, because the mean of its divisors is an integer number (122067924).

Almost surely, 2^874819649 is an apocalyptic number.

It is an amenable number.

874819649 is a deficient number, since it is larger than the sum of its proper divisors (101723743).

874819649 is a wasteful number, since it uses less digits than its factorization.

874819649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849567.

The product of its digits is 3483648, while the sum is 56.

The square root of 874819649 is about 29577.3502700969. The cubic root of 874819649 is about 956.3998727657.

The spelling of 874819649 in words is "eight hundred seventy-four million, eight hundred nineteen thousand, six hundred forty-nine".