1946158488 has 40 divisors (see below), whose sum is σ = 5451047580. Its totient is φ = 648719280.

The previous prime is 1946158481. The next prime is 1946158499. The reversal of 1946158488 is 8848516491.

It is a happy number.

1946158488 is a `hidden beast` number, since 1 + 9 + 4 + 6 + 158 + 488 = 666.

It is a super-2 number, since 2×1946158488² = 7575065720828892288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1946158481) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1501018 + ... + 1502313.

Almost surely, 2^1946158488 is an apocalyptic number.

1946158488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1946158488 is an abundant number, since it is smaller than the sum of its proper divisors (3504889092).

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

1946158488 is a wasteful number, since it uses less digits than its factorization.

1946158488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003349 (or 3003336 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 54.

The square root of 1946158488 is about 44115.2863302507. The cubic root of 1946158488 is about 1248.5120402568.

The spelling of 1946158488 in words is "one billion, nine hundred forty-six million, one hundred fifty-eight thousand, four hundred eighty-eight".