47891698 has 8 divisors (see below), whose sum is σ = 72019692. Its totient is φ = 23885136.

The previous prime is 47891689. The next prime is 47891707. The reversal of 47891698 is 89619874.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47891689) and next prime (47891707).

It can be written as a sum of positive squares in 2 ways, for example, as 44662489 + 3229209 = 6683^2 + 1797^2 .

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

It is a super-2 number, since 2×47891698² = 4587229474646408, which contains 22 as substring.

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, 29365 + ... + 30952.

Almost surely, 2^47891698 is an apocalyptic number.

47891698 is a deficient number, since it is larger than the sum of its proper divisors (24127994).

47891698 is a wasteful number, since it uses less digits than its factorization.

47891698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60716.

The product of its digits is 870912, while the sum is 52.

The square root of 47891698 is about 6920.3827928808. The cubic root of 47891698 is about 363.1505824674.

The spelling of 47891698 in words is "forty-seven million, eight hundred ninety-one thousand, six hundred ninety-eight".