1946372820 has 96 divisors (see below), whose sum is σ = 6429351936. Its totient is φ = 430531200.

The previous prime is 1946372807. The next prime is 1946372833. The reversal of 1946372820 is 282736491.

It is an interprime number because it is at equal distance from previous prime (1946372807) and next prime (1946372833).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61726 + ... + 87765.

It is an arithmetic number, because the mean of its divisors is an integer number (66972416).

Almost surely, 2^1946372820 is an apocalyptic number.

1946372820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1946372820 is an abundant number, since it is smaller than the sum of its proper divisors (4482979116).

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

1946372820 is a wasteful number, since it uses less digits than its factorization.

1946372820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149541 (or 149539 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1946372820 is about 44117.7154893587. The cubic root of 1946372820 is about 1248.5578717861.

The spelling of 1946372820 in words is "one billion, nine hundred forty-six million, three hundred seventy-two thousand, eight hundred twenty".