3147975406 has 4 divisors (see below), whose sum is σ = 4721963112. Its totient is φ = 1573987702.

The previous prime is 3147975403. The next prime is 3147975409. The reversal of 3147975406 is 6045797413.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3147975403) and next prime (3147975409).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3147975401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786993850 + ... + 786993853.

It is an arithmetic number, because the mean of its divisors is an integer number (1180490778).

Almost surely, 2^3147975406 is an apocalyptic number.

3147975406 is a deficient number, since it is larger than the sum of its proper divisors (1573987706).

3147975406 is a wasteful number, since it uses less digits than its factorization.

3147975406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573987705.

The product of its (nonzero) digits is 635040, while the sum is 46.

The square root of 3147975406 is about 56106.8213856390. The cubic root of 3147975406 is about 1465.5830837184.

The spelling of 3147975406 in words is "three billion, one hundred forty-seven million, nine hundred seventy-five thousand, four hundred six".