1475897998 has 8 divisors (see below), whose sum is σ = 2330365320. Its totient is φ = 699109560.

The previous prime is 1475897953. The next prime is 1475898019. The reversal of 1475897998 is 8997985741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19419673 + ... + 19419748.

It is an arithmetic number, because the mean of its divisors is an integer number (291295665).

Almost surely, 2^1475897998 is an apocalyptic number.

1475897998 is a deficient number, since it is larger than the sum of its proper divisors (854467322).

1475897998 is a wasteful number, since it uses less digits than its factorization.

1475897998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38839442.

The product of its digits is 45722880, while the sum is 67.

The square root of 1475897998 is about 38417.4178986563. The cubic root of 1475897998 is about 1138.5500181282.

The spelling of 1475897998 in words is "one billion, four hundred seventy-five million, eight hundred ninety-seven thousand, nine hundred ninety-eight".