1900064 has 12 divisors (see below), whose sum is σ = 3740814. Its totient is φ = 950016.

The previous prime is 1900049. The next prime is 1900079. The reversal of 1900064 is 4600091.

It is an interprime number because it is at equal distance from previous prime (1900049) and next prime (1900079).

It can be written as a sum of positive squares in only one way, i.e., 1227664 + 672400 = 1108^2 + 820^2 .

It is a super-2 number, since 2×1900064² = 7220486408192, which contains 22 as substring.

It is an unprimeable number.

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, 29657 + ... + 29720.

2^1900064 is an apocalyptic number.

It is an amenable number.

1900064 is a deficient number, since it is larger than the sum of its proper divisors (1840750).

1900064 is an equidigital number, since it uses as much as digits as its factorization.

1900064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59387 (or 59379 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1900064 is about 1378.4280902535. The cubic root of 1900064 is about 123.8576236139.

The spelling of 1900064 in words is "one million, nine hundred thousand, sixty-four".