2039956 has 6 divisors (see below), whose sum is σ = 3569930. Its totient is φ = 1019976.

The previous prime is 2039951. The next prime is 2039957. The reversal of 2039956 is 6599302.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1175056 + 864900 = 1084^2 + 930^2 .

It is a super-2 number, since 2×2039956² = 8322840963872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2039951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254991 + ... + 254998.

2^2039956 is an apocalyptic number.

It is an amenable number.

2039956 is a deficient number, since it is larger than the sum of its proper divisors (1529974).

2039956 is a wasteful number, since it uses less digits than its factorization.

2039956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509993 (or 509991 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 2039956 is about 1428.2702825446. The cubic root of 2039956 is about 126.8256022765.

The spelling of 2039956 in words is "two million, thirty-nine thousand, nine hundred fifty-six".