2999972 has 6 divisors (see below), whose sum is σ = 5249958. Its totient is φ = 1499984.

The previous prime is 2999957. The next prime is 2999999. The reversal of 2999972 is 2799992.

2999972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2027776 + 972196 = 1424^2 + 986^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374993 + ... + 375000.

It is an arithmetic number, because the mean of its divisors is an integer number (874993).

2^2999972 is an apocalyptic number.

It is an amenable number.

2999972 is a deficient number, since it is larger than the sum of its proper divisors (2249986).

2999972 is a wasteful number, since it uses less digits than its factorization.

2999972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749997 (or 749995 counting only the distinct ones).

The product of its digits is 183708, while the sum is 47.

The square root of 2999972 is about 1732.0427246462. The cubic root of 2999972 is about 144.2245083295.

It can be divided in two parts, 29 and 99972, that added together give a palindrome (100001).

The spelling of 2999972 in words is "two million, nine hundred ninety-nine thousand, nine hundred seventy-two".