1946307143 has 12 divisors (see below), whose sum is σ = 2140864824. Its totient is φ = 1768100400.

The previous prime is 1946307119. The next prime is 1946307179. The reversal of 1946307143 is 3417036491.

It is not a de Polignac number, because 1946307143 - 2¹⁶ = 1946241607 is a prime.

It is a super-2 number, since 2×1946307143² = 7576222989785644898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1946307097 and 1946307106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1946307113) 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, 191180 + ... + 201102.

It is an arithmetic number, because the mean of its divisors is an integer number (178405402).

Almost surely, 2^1946307143 is an apocalyptic number.

1946307143 is a deficient number, since it is larger than the sum of its proper divisors (194557681).

1946307143 is a wasteful number, since it uses less digits than its factorization.

1946307143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11566 (or 11555 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 1946307143 is about 44116.9711449007. The cubic root of 1946307143 is about 1248.5438281495.

The spelling of 1946307143 in words is "one billion, nine hundred forty-six million, three hundred seven thousand, one hundred forty-three".