2029972 has 18 divisors (see below), whose sum is σ = 4132842. Its totient is φ = 869904.

The previous prime is 2029967. The next prime is 2029981. The reversal of 2029972 is 2799202.

2029972 = T₂₆₃ + T₂₆₄ + ... + T₃₁₁.

It can be written as a sum of positive squares in only one way, i.e., 1731856 + 298116 = 1316^2 + 546^2 .

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 4983 + ... + 5374.

2^2029972 is an apocalyptic number.

It is an amenable number.

2029972 is an abundant number, since it is smaller than the sum of its proper divisors (2102870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2029972 is a wasteful number, since it uses less digits than its factorization.

2029972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10375 (or 10366 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2029972 is about 1424.7708587699. The cubic root of 2029972 is about 126.6183595418.

It can be divided in two parts, 20 and 29972, that added together give a palindrome (29992).

The spelling of 2029972 in words is "two million, twenty-nine thousand, nine hundred seventy-two".