3970140438 has 24 divisors (see below), whose sum is σ = 8727748344. Its totient is φ = 1203072640.

The previous prime is 3970140401. The next prime is 3970140439. The reversal of 3970140438 is 8340410793.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3970140396 and 3970140405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970140439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2733531 + ... + 2734982.

It is an arithmetic number, because the mean of its divisors is an integer number (363656181).

Almost surely, 2^3970140438 is an apocalyptic number.

3970140438 is an abundant number, since it is smaller than the sum of its proper divisors (4757607906).

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

3970140438 is a wasteful number, since it uses less digits than its factorization.

3970140438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5468540 (or 5468529 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 3970140438 is about 63009.0504451543. The cubic root of 3970140438 is about 1583.4412574068.

The spelling of 3970140438 in words is "three billion, nine hundred seventy million, one hundred forty thousand, four hundred thirty-eight".