3890648390 has 32 divisors (see below), whose sum is σ = 7429851360. Its totient is φ = 1461804544.

The previous prime is 3890648291. The next prime is 3890648453. The reversal of 3890648390 is 938460983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64049 + ... + 109011.

It is an arithmetic number, because the mean of its divisors is an integer number (232182855).

Almost surely, 2^3890648390 is an apocalyptic number.

3890648390 is a deficient number, since it is larger than the sum of its proper divisors (3539202970).

3890648390 is a wasteful number, since it uses less digits than its factorization.

3890648390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45496.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 3890648390 is about 62375.0622444579. The cubic root of 3890648390 is about 1572.8017897123.

The spelling of 3890648390 in words is "three billion, eight hundred ninety million, six hundred forty-eight thousand, three hundred ninety".