3890130726 has 32 divisors (see below), whose sum is σ = 7975536480. Its totient is φ = 1264564224.

The previous prime is 3890130709. The next prime is 3890130743. The reversal of 3890130726 is 6270310983.

It is an interprime number because it is at equal distance from previous prime (3890130709) and next prime (3890130743).

It is a Curzon number.

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, 10915 + ... + 88878.

It is an arithmetic number, because the mean of its divisors is an integer number (249235515).

Almost surely, 2^3890130726 is an apocalyptic number.

3890130726 is an abundant number, since it is smaller than the sum of its proper divisors (4085405754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3890130726 is a wasteful number, since it uses less digits than its factorization.

3890130726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99960.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 3890130726 is about 62370.9124993374. The cubic root of 3890130726 is about 1572.7320310760.

The spelling of 3890130726 in words is "three billion, eight hundred ninety million, one hundred thirty thousand, seven hundred twenty-six".