1492897458 has 16 divisors (see below), whose sum is σ = 3215471616. Its totient is φ = 459353040.

The previous prime is 1492897451. The next prime is 1492897489. The reversal of 1492897458 is 8547982941.

It is a junction number, because it is equal to n+sod(n) for n = 1492897398 and 1492897407.

It is not an unprimeable number, because it can be changed into a prime (1492897451) 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 7 ways as a sum of consecutive naturals, for example, 9569778 + ... + 9569933.

It is an arithmetic number, because the mean of its divisors is an integer number (200966976).

Almost surely, 2^1492897458 is an apocalyptic number.

1492897458 is an abundant number, since it is smaller than the sum of its proper divisors (1722574158).

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

1492897458 is a wasteful number, since it uses less digits than its factorization.

1492897458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19139729.

The product of its digits is 5806080, while the sum is 57.

The square root of 1492897458 is about 38638.0312386643. The cubic root of 1492897458 is about 1142.9046320252.

The spelling of 1492897458 in words is "one billion, four hundred ninety-two million, eight hundred ninety-seven thousand, four hundred fifty-eight".