4000748 has 6 divisors (see below), whose sum is σ = 7001316. Its totient is φ = 2000372.

The previous prime is 4000747. The next prime is 4000751. The reversal of 4000748 is 8470004.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4000741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500090 + ... + 500097.

It is an arithmetic number, because the mean of its divisors is an integer number (1166886).

Almost surely, 2^4000748 is an apocalyptic number.

It is an amenable number.

4000748 is a deficient number, since it is larger than the sum of its proper divisors (3000568).

4000748 is a wasteful number, since it uses less digits than its factorization.

4000748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000191 (or 1000189 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 4000748 is about 2000.1869912586. The cubic root of 4000748 is about 158.7499993800.

The spelling of 4000748 in words is "four million, seven hundred forty-eight", and thus it is an aban number.