1964608 has 14 divisors (see below), whose sum is σ = 3898646. Its totient is φ = 982272.

The previous prime is 1964603. The next prime is 1964617. The reversal of 1964608 is 8064691.

It can be written as a sum of positive squares in only one way, i.e., 1272384 + 692224 = 1128^2 + 832^2 .

It is not an unprimeable number, because it can be changed into a prime (1964603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15285 + ... + 15412.

2^1964608 is an apocalyptic number.

It is an amenable number.

1964608 is a deficient number, since it is larger than the sum of its proper divisors (1934038).

1964608 is an equidigital number, since it uses as much as digits as its factorization.

1964608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30709 (or 30699 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1964608 is about 1401.6447481441. The cubic root of 1964608 is about 125.2444921436.

The spelling of 1964608 in words is "one million, nine hundred sixty-four thousand, six hundred eight".