1498961478 has 32 divisors (see below), whose sum is σ = 3427534080. Its totient is φ = 428107680.

The previous prime is 1498961473. The next prime is 1498961489. The reversal of 1498961478 is 8741698941.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1498961473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137073 + ... + 147603.

It is an arithmetic number, because the mean of its divisors is an integer number (107110440).

Almost surely, 2^1498961478 is an apocalyptic number.

1498961478 is an abundant number, since it is smaller than the sum of its proper divisors (1928572602).

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

1498961478 is a wasteful number, since it uses less digits than its factorization.

1498961478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13932.

The product of its digits is 3483648, while the sum is 57.

The square root of 1498961478 is about 38716.4238792789. The cubic root of 1498961478 is about 1144.4500013562.

It can be divided in two parts, 14989 and 61478, that added together give a palindrome (76467).

The spelling of 1498961478 in words is "one billion, four hundred ninety-eight million, nine hundred sixty-one thousand, four hundred seventy-eight".