7049864 has 8 divisors (see below), whose sum is σ = 13218510. Its totient is φ = 3524928.

The previous prime is 7049857. The next prime is 7049879. The reversal of 7049864 is 4689407.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4622500 + 2427364 = 2150^2 + 1558^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440609 + ... + 440624.

Almost surely, 2^7049864 is an apocalyptic number.

It is an amenable number.

7049864 is a deficient number, since it is larger than the sum of its proper divisors (6168646).

7049864 is a wasteful number, since it uses less digits than its factorization.

7049864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881239 (or 881235 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 7049864 is about 2655.1579990652. The cubic root of 7049864 is about 191.7462649433.

The spelling of 7049864 in words is "seven million, forty-nine thousand, eight hundred sixty-four".