3654947998 has 8 divisors (see below), whose sum is σ = 5904146808. Its totient is φ = 1686899064.

The previous prime is 3654947971. The next prime is 3654948007. The reversal of 3654947998 is 8997494563.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70287436 + ... + 70287487.

It is an arithmetic number, because the mean of its divisors is an integer number (738018351).

Almost surely, 2^3654947998 is an apocalyptic number.

3654947998 is a deficient number, since it is larger than the sum of its proper divisors (2249198810).

3654947998 is a wasteful number, since it uses less digits than its factorization.

3654947998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140574938.

The product of its digits is 58786560, while the sum is 64.

The square root of 3654947998 is about 60456.1659220960. The cubic root of 3654947998 is about 1540.3771491526.

The spelling of 3654947998 in words is "three billion, six hundred fifty-four million, nine hundred forty-seven thousand, nine hundred ninety-eight".