1394997486 has 32 divisors (see below), whose sum is σ = 2897524608. Its totient is φ = 447400800.

The previous prime is 1394997479. The next prime is 1394997503. The reversal of 1394997486 is 6847994931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23065 + ... + 57636.

It is an arithmetic number, because the mean of its divisors is an integer number (90547644).

Almost surely, 2^1394997486 is an apocalyptic number.

1394997486 is an abundant number, since it is smaller than the sum of its proper divisors (1502527122).

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

1394997486 is a wasteful number, since it uses less digits than its factorization.

1394997486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80816.

The product of its digits is 11757312, while the sum is 60.

The square root of 1394997486 is about 37349.6651390612. The cubic root of 1394997486 is about 1117.3549097198.

The spelling of 1394997486 in words is "one billion, three hundred ninety-four million, nine hundred ninety-seven thousand, four hundred eighty-six".