1964445 has 32 divisors (see below), whose sum is σ = 3670272. Its totient is φ = 878592.

The previous prime is 1964437. The next prime is 1964447. The reversal of 1964445 is 5444691.

It is not a de Polignac number, because 1964445 - 2³ = 1964437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5389 + ... + 5741.

It is an arithmetic number, because the mean of its divisors is an integer number (114696).

2^1964445 is an apocalyptic number.

1964445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1964445 is a deficient number, since it is larger than the sum of its proper divisors (1705827).

1964445 is a wasteful number, since it uses less digits than its factorization.

1964445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421.

The product of its digits is 17280, while the sum is 33.

The square root of 1964445 is about 1401.5866009634. The cubic root of 1964445 is about 125.2410282776.

The spelling of 1964445 in words is "one million, nine hundred sixty-four thousand, four hundred forty-five".