1878608 has 10 divisors (see below), whose sum is σ = 3639834. Its totient is φ = 939296.

The previous prime is 1878593. The next prime is 1878623. The reversal of 1878608 is 8068781.

It is an interprime number because it is at equal distance from previous prime (1878593) and next prime (1878623).

It can be written as a sum of positive squares in only one way, i.e., 1817104 + 61504 = 1348^2 + 248^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58691 + ... + 58722.

2^1878608 is an apocalyptic number.

It is an amenable number.

1878608 is a deficient number, since it is larger than the sum of its proper divisors (1761226).

1878608 is a wasteful number, since it uses less digits than its factorization.

1878608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117421 (or 117415 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 1878608 is about 1370.6232159131. The cubic root of 1878608 is about 123.3896471994.

The spelling of 1878608 in words is "one million, eight hundred seventy-eight thousand, six hundred eight".