1946730438 has 24 divisors (see below), whose sum is σ = 4220202168. Its totient is φ = 648558432.

The previous prime is 1946730437. The next prime is 1946730463. The reversal of 1946730438 is 8340376491.

It is a junction number, because it is equal to n+sod(n) for n = 1946730393 and 1946730402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1946730433) 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, 5970 + ... + 62682.

It is an arithmetic number, because the mean of its divisors is an integer number (175841757).

Almost surely, 2^1946730438 is an apocalyptic number.

1946730438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1946730438 is an abundant number, since it is smaller than the sum of its proper divisors (2273471730).

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

1946730438 is a wasteful number, since it uses less digits than its factorization.

1946730438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58628 (or 58625 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 1946730438 is about 44121.7683009192. The cubic root of 1946730438 is about 1248.6343352846.

The spelling of 1946730438 in words is "one billion, nine hundred forty-six million, seven hundred thirty thousand, four hundred thirty-eight".