3890648 has 8 divisors (see below), whose sum is σ = 7294980. Its totient is φ = 1945320.

The previous prime is 3890639. The next prime is 3890651. The reversal of 3890648 is 8460983.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×3890648³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243158 + ... + 243173.

Almost surely, 2^3890648 is an apocalyptic number.

It is an amenable number.

3890648 is a deficient number, since it is larger than the sum of its proper divisors (3404332).

3890648 is a wasteful number, since it uses less digits than its factorization.

3890648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486337 (or 486333 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 3890648 is about 1972.4725600119. The cubic root of 3890648 is about 157.2801737160.

The spelling of 3890648 in words is "three million, eight hundred ninety thousand, six hundred forty-eight".