1494438897 has 12 divisors (see below), whose sum is σ = 2317905456. Its totient is φ = 853965000.

The previous prime is 1494438877. The next prime is 1494438923. The reversal of 1494438897 is 7988344941.

It is a happy number.

It is not a de Polignac number, because 1494438897 - 2¹⁴ = 1494422513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1494438877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5082979 + ... + 5083272.

It is an arithmetic number, because the mean of its divisors is an integer number (193158788).

Almost surely, 2^1494438897 is an apocalyptic number.

It is an amenable number.

1494438897 is a deficient number, since it is larger than the sum of its proper divisors (823466559).

1494438897 is a wasteful number, since it uses less digits than its factorization.

1494438897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10166268 (or 10166261 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 57.

The square root of 1494438897 is about 38657.9732655503. The cubic root of 1494438897 is about 1143.2978521082.

It can be divided in two parts, 1494 and 438897, that added together give a triangular number (440391 = T₉₃₈).

The spelling of 1494438897 in words is "one billion, four hundred ninety-four million, four hundred thirty-eight thousand, eight hundred ninety-seven".