1390671846 has 12 divisors (see below), whose sum is σ = 3013122372. Its totient is φ = 463557276.

The previous prime is 1390671803. The next prime is 1390671853. The reversal of 1390671846 is 6481760931.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38629756 + ... + 38629791.

It is an arithmetic number, because the mean of its divisors is an integer number (251093531).

Almost surely, 2^1390671846 is an apocalyptic number.

1390671846 is an abundant number, since it is smaller than the sum of its proper divisors (1622450526).

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

1390671846 is a wasteful number, since it uses less digits than its factorization.

1390671846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77259555 (or 77259552 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1390671846 is about 37291.7128327461. The cubic root of 1390671846 is about 1116.1988074152.

The spelling of 1390671846 in words is "one billion, three hundred ninety million, six hundred seventy-one thousand, eight hundred forty-six".