3851400844 has 6 divisors (see below), whose sum is σ = 6739951484. Its totient is φ = 1925700420.

The previous prime is 3851400803. The next prime is 3851400851. The reversal of 3851400844 is 4480041583.

It is a super-2 number, since 2×3851400844² = 29666576922327824672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 481425102 + ... + 481425109.

Almost surely, 2^3851400844 is an apocalyptic number.

It is an amenable number.

3851400844 is a deficient number, since it is larger than the sum of its proper divisors (2888550640).

3851400844 is a wasteful number, since it uses less digits than its factorization.

3851400844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962850215 (or 962850213 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 3851400844 is about 62059.6555259534. The cubic root of 3851400844 is about 1567.4952751075.

The spelling of 3851400844 in words is "three billion, eight hundred fifty-one million, four hundred thousand, eight hundred forty-four".