1968147 has 12 divisors (see below), whose sum is σ = 2855320. Its totient is φ = 1306368.

The previous prime is 1968139. The next prime is 1968149. The reversal of 1968147 is 7418691.

It is not a de Polignac number, because 1968147 - 2³ = 1968139 is a prime.

It is a super-2 number, since 2×1968147² = 7747205227218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1968149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3123 + ... + 3699.

2^1968147 is an apocalyptic number.

1968147 is a deficient number, since it is larger than the sum of its proper divisors (887173).

1968147 is a wasteful number, since it uses less digits than its factorization.

1968147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962 (or 959 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 1968147 is about 1402.9066255457. The cubic root of 1968147 is about 125.3196512213.

The spelling of 1968147 in words is "one million, nine hundred sixty-eight thousand, one hundred forty-seven".