1968904 has 16 divisors (see below), whose sum is σ = 4219200. Its totient is φ = 843792.

The previous prime is 1968899. The next prime is 1968919. The reversal of 1968904 is 4098691.

It is a super-2 number, since 2×1968904² = 7753165922432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17524 + ... + 17635.

It is an arithmetic number, because the mean of its divisors is an integer number (263700).

2^1968904 is an apocalyptic number.

1968904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1968904 is an abundant number, since it is smaller than the sum of its proper divisors (2250296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1968904 is a wasteful number, since it uses less digits than its factorization.

1968904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35172 (or 35168 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1968904 is about 1403.1763966088. The cubic root of 1968904 is about 125.3357162165.

The spelling of 1968904 in words is "one million, nine hundred sixty-eight thousand, nine hundred four".