3890274421 has 8 divisors (see below), whose sum is σ = 4255761600. Its totient is φ = 3526758240.

The previous prime is 3890274347. The next prime is 3890274467. The reversal of 3890274421 is 1244720983.

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

It is a cyclic number.

It is not a de Polignac number, because 3890274421 - 2²¹ = 3888177269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3890274121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 488616 + ... + 496513.

It is an arithmetic number, because the mean of its divisors is an integer number (531970200).

Almost surely, 2^3890274421 is an apocalyptic number.

It is an amenable number.

3890274421 is a deficient number, since it is larger than the sum of its proper divisors (365487179).

3890274421 is a wasteful number, since it uses less digits than its factorization.

3890274421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985499.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 3890274421 is about 62372.0644279152. The cubic root of 3890274421 is about 1572.7513955449.

The spelling of 3890274421 in words is "three billion, eight hundred ninety million, two hundred seventy-four thousand, four hundred twenty-one".