1495491398 has 16 divisors (see below), whose sum is σ = 2317092864. Its totient is φ = 723158280.

The previous prime is 1495491397. The next prime is 1495491461. The reversal of 1495491398 is 8931945941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1495491397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101411 + ... + 115217.

It is an arithmetic number, because the mean of its divisors is an integer number (144818304).

Almost surely, 2^1495491398 is an apocalyptic number.

1495491398 is a deficient number, since it is larger than the sum of its proper divisors (821601466).

1495491398 is a wasteful number, since it uses less digits than its factorization.

1495491398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15587.

The product of its digits is 1399680, while the sum is 53.

The square root of 1495491398 is about 38671.5838568839. The cubic root of 1495491398 is about 1143.5661891084.

The spelling of 1495491398 in words is "one billion, four hundred ninety-five million, four hundred ninety-one thousand, three hundred ninety-eight".