1864725 has 36 divisors (see below), whose sum is σ = 3291456. Its totient is φ = 931040.

The previous prime is 1864711. The next prime is 1864739. The reversal of 1864725 is 5274681.

It is an interprime number because it is at equal distance from previous prime (1864711) and next prime (1864739).

It is not a de Polignac number, because 1864725 - 2⁵ = 1864693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 39652 + ... + 39698.

2^1864725 is an apocalyptic number.

1864725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1864725 is a deficient number, since it is larger than the sum of its proper divisors (1426731).

1864725 is a wasteful number, since it uses less digits than its factorization.

1864725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 78 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 1864725 is about 1365.5493400094. The cubic root of 1864725 is about 123.0849436380.

The spelling of 1864725 in words is "one million, eight hundred sixty-four thousand, seven hundred twenty-five".