1964500 has 24 divisors (see below), whose sum is σ = 4291560. Its totient is φ = 785600.

The previous prime is 1964483. The next prime is 1964531. The reversal of 1964500 is 54691.

It can be written as a sum of positive squares in 4 ways, for example, as 315844 + 1648656 = 562^2 + 1284^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1465 + ... + 2464.

It is an arithmetic number, because the mean of its divisors is an integer number (178815).

2^1964500 is an apocalyptic number.

1964500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1964500 is an abundant number, since it is smaller than the sum of its proper divisors (2327060).

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

1964500 is a wasteful number, since it uses less digits than its factorization.

1964500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948 (or 3936 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1964500 is about 1401.6062214474. The cubic root of 1964500 is about 125.2421970881.

The spelling of 1964500 in words is "one million, nine hundred sixty-four thousand, five hundred".