1378014846 has 48 divisors (see below), whose sum is σ = 2992664880. Its totient is φ = 422822400.

The previous prime is 1378014829. The next prime is 1378014863. The reversal of 1378014846 is 6484108731.

It is an interprime number because it is at equal distance from previous prime (1378014829) and next prime (1378014863).

It is a junction number, because it is equal to n+sod(n) for n = 1378014798 and 1378014807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 404920 + ... + 408308.

It is an arithmetic number, because the mean of its divisors is an integer number (62347185).

Almost surely, 2^1378014846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1378014846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1496332440).

1378014846 is an abundant number, since it is smaller than the sum of its proper divisors (1614650034).

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

1378014846 is a wasteful number, since it uses less digits than its factorization.

1378014846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821 (or 3808 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 1378014846 is about 37121.6223514005. The cubic root of 1378014846 is about 1112.8021741303.

The spelling of 1378014846 in words is "one billion, three hundred seventy-eight million, fourteen thousand, eight hundred forty-six".