1951996 has 12 divisors (see below), whose sum is σ = 3432520. Its totient is φ = 971280.

The previous prime is 1951993. The next prime is 1951997. The reversal of 1951996 is 6991591.

It is a super-3 number, since 3×1951996³ = 22313003053337087808, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1951993) 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 in 3 ways as a sum of consecutive naturals, for example, 150 + ... + 1981.

2^1951996 is an apocalyptic number.

It is an amenable number.

1951996 is a deficient number, since it is larger than the sum of its proper divisors (1480524).

1951996 is a wasteful number, since it uses less digits than its factorization.

1951996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364 (or 2362 counting only the distinct ones).

The product of its digits is 21870, while the sum is 40.

The square root of 1951996 is about 1397.1385042293. The cubic root of 1951996 is about 124.9759100243.

The spelling of 1951996 in words is "one million, nine hundred fifty-one thousand, nine hundred ninety-six".