1916964 has 36 divisors (see below), whose sum is σ = 5538624. Its totient is φ = 547632.

The previous prime is 1916953. The next prime is 1916977. The reversal of 1916964 is 4696191.

1916964 = T₂₃₉ + T₂₄₀ + ... + T₂₉₂.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3552 + ... + 4055.

2^1916964 is an apocalyptic number.

1916964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1916964 is an abundant number, since it is smaller than the sum of its proper divisors (3621660).

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

1916964 is a wasteful number, since it uses less digits than its factorization.

1916964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624 (or 7619 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 1916964 is about 1384.5446905030. The cubic root of 1916964 is about 124.2237548595.

The spelling of 1916964 in words is "one million, nine hundred sixteen thousand, nine hundred sixty-four".