3857600642 has 16 divisors (see below), whose sum is σ = 6647657472. Its totient is φ = 1644600480.

The previous prime is 3857600633. The next prime is 3857600651. The reversal of 3857600642 is 2460067583.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3857600633) and next prime (3857600651).

It is a self number, because there is not a number n which added to its sum of digits gives 3857600642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718643 + ... + 723990.

It is an arithmetic number, because the mean of its divisors is an integer number (415478592).

Almost surely, 2^3857600642 is an apocalyptic number.

3857600642 is a deficient number, since it is larger than the sum of its proper divisors (2790056830).

3857600642 is a wasteful number, since it uses less digits than its factorization.

3857600642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442833.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 3857600642 is about 62109.5857497053. The cubic root of 3857600642 is about 1568.3359167787.

The spelling of 3857600642 in words is "three billion, eight hundred fifty-seven million, six hundred thousand, six hundred forty-two".