1964992 has 14 divisors (see below), whose sum is σ = 3899408. Its totient is φ = 982464.

The previous prime is 1964987. The next prime is 1965077. The reversal of 1964992 is 2994691.

It is a super-2 number, since 2×1964992² = 7722387120128, which contains 22 as substring.

It is a plaindrome in base 11.

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 as a sum of consecutive naturals, namely, 15288 + ... + 15415.

2^1964992 is an apocalyptic number.

It is an amenable number.

1964992 is a deficient number, since it is larger than the sum of its proper divisors (1934416).

1964992 is an equidigital number, since it uses as much as digits as its factorization.

1964992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30715 (or 30705 counting only the distinct ones).

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

The square root of 1964992 is about 1401.7817233792. The cubic root of 1964992 is about 125.2526516597.

The spelling of 1964992 in words is "one million, nine hundred sixty-four thousand, nine hundred ninety-two".