1906864 has 10 divisors (see below), whose sum is σ = 3694580. Its totient is φ = 953424.

The previous prime is 1906843. The next prime is 1906867. The reversal of 1906864 is 4686091.

It is a super-2 number, since 2×1906864² = 7272260628992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1906867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59574 + ... + 59605.

It is an arithmetic number, because the mean of its divisors is an integer number (369458).

2^1906864 is an apocalyptic number.

It is an amenable number.

1906864 is a deficient number, since it is larger than the sum of its proper divisors (1787716).

1906864 is a wasteful number, since it uses less digits than its factorization.

1906864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119187 (or 119181 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1906864 is about 1380.8924650385. The cubic root of 1906864 is about 124.0052026953.

The spelling of 1906864 in words is "one million, nine hundred six thousand, eight hundred sixty-four".