3894514390 has 16 divisors (see below), whose sum is σ = 7549366608. Its totient is φ = 1437974496.

The previous prime is 3894514387. The next prime is 3894514409. The reversal of 3894514390 is 934154983.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3894514390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14978772 + ... + 14979031.

It is an arithmetic number, because the mean of its divisors is an integer number (471835413).

Almost surely, 2^3894514390 is an apocalyptic number.

3894514390 is a deficient number, since it is larger than the sum of its proper divisors (3654852218).

3894514390 is a wasteful number, since it uses less digits than its factorization.

3894514390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29957823.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 3894514390 is about 62406.0444989105. The cubic root of 3894514390 is about 1573.3225631365.

It can be divided in two parts, 38945 and 14390, that added together give a palindrome (53335).

The spelling of 3894514390 in words is "three billion, eight hundred ninety-four million, five hundred fourteen thousand, three hundred ninety".