3890801257 has 8 divisors (see below), whose sum is σ = 4460659776. Its totient is φ = 3324450192.

The previous prime is 3890801249. The next prime is 3890801261. The reversal of 3890801257 is 7521080983.

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

It is not a de Polignac number, because 3890801257 - 2³ = 3890801249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3890801557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 874483 + ... + 878920.

It is an arithmetic number, because the mean of its divisors is an integer number (557582472).

Almost surely, 2^3890801257 is an apocalyptic number.

It is an amenable number.

3890801257 is a deficient number, since it is larger than the sum of its proper divisors (569858519).

3890801257 is a wasteful number, since it uses less digits than its factorization.

3890801257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753727.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 3890801257 is about 62376.2876179723. The cubic root of 3890801257 is about 1572.8223883648.

The spelling of 3890801257 in words is "three billion, eight hundred ninety million, eight hundred one thousand, two hundred fifty-seven".