996409012 has 6 divisors (see below), whose sum is σ = 1743715778. Its totient is φ = 498204504.

The previous prime is 996408997. The next prime is 996409031. The reversal of 996409012 is 210904699.

It can be written as a sum of positive squares in only one way, i.e., 623301156 + 373107856 = 24966^2 + 19316^2 .

It is a super-2 number, since 2×996409012² = 1985661838389632288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124551123 + ... + 124551130.

Almost surely, 2^996409012 is an apocalyptic number.

It is an amenable number.

996409012 is a deficient number, since it is larger than the sum of its proper divisors (747306766).

996409012 is a wasteful number, since it uses less digits than its factorization.

996409012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249102257 (or 249102255 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 996409012 is about 31565.9470315719. The cubic root of 996409012 is about 998.8015683353.

The spelling of 996409012 in words is "nine hundred ninety-six million, four hundred nine thousand, twelve".