1946025 has 45 divisors (see below), whose sum is σ = 3724743. Its totient is φ = 1004400.

The previous prime is 1946017. The next prime is 1946029. The reversal of 1946025 is 5206491.

1946025 = T₃₈₂ + T₃₈₃ + ... + T₄₀₆.

The square root of 1946025 is 1395.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 700569 + 1245456 = 837^2 + 1116^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 1946025 - 2³ = 1946017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1946025.

It is not an unprimeable number, because it can be changed into a prime (1946029) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 62760 + ... + 62790.

2^1946025 is an apocalyptic number.

1946025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1946025 is the 1395-th square number.

1946025 is the 698-th centered octagonal number.

It is an amenable number.

1946025 is a deficient number, since it is larger than the sum of its proper divisors (1778718).

1946025 is an equidigital number, since it uses as much as digits as its factorization.

1946025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The cubic root of 1946025 is about 124.8483494246.

The spelling of 1946025 in words is "one million, nine hundred forty-six thousand, twenty-five".