1494894874 has 16 divisors (see below), whose sum is σ = 2451072960. Its totient is φ = 678141760.

The previous prime is 1494894857. The next prime is 1494894883. The reversal of 1494894874 is 4784984941.

It is a happy number.

It is a super-2 number, since 2×1494894874² = 4469421368622951752, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56479 + ... + 78610.

It is an arithmetic number, because the mean of its divisors is an integer number (153192060).

Almost surely, 2^1494894874 is an apocalyptic number.

1494894874 is a deficient number, since it is larger than the sum of its proper divisors (956178086).

1494894874 is a wasteful number, since it uses less digits than its factorization.

1494894874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135605.

The product of its digits is 9289728, while the sum is 58.

The square root of 1494894874 is about 38663.8703960170. The cubic root of 1494894874 is about 1143.4141197174.

The spelling of 1494894874 in words is "one billion, four hundred ninety-four million, eight hundred ninety-four thousand, eight hundred seventy-four".