1978000614 has 32 divisors (see below), whose sum is σ = 4444956000. Its totient is φ = 651923712.

The previous prime is 1978000613. The next prime is 1978000631. The reversal of 1978000614 is 4160008791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1978000613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200979 + ... + 210590.

It is an arithmetic number, because the mean of its divisors is an integer number (138904875).

Almost surely, 2^1978000614 is an apocalyptic number.

1978000614 is an abundant number, since it is smaller than the sum of its proper divisors (2466955386).

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

1978000614 is a wasteful number, since it uses less digits than its factorization.

1978000614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411669 (or 411663 counting only the distinct ones).

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

The square root of 1978000614 is about 44474.7188186727. The cubic root of 1978000614 is about 1255.2844260452.

The spelling of 1978000614 in words is "one billion, nine hundred seventy-eight million, six hundred fourteen", and thus it is an aban number.