46789640 has 16 divisors (see below), whose sum is σ = 105276780. Its totient is φ = 18715840.

The previous prime is 46789607. The next prime is 46789649. The reversal of 46789640 is 4698764.

It can be written as a sum of positive squares in 2 ways, for example, as 46594276 + 195364 = 6826^2 + 442^2 .

It is a super-2 number, since 2×46789640² = 4378540822659200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 46789591 and 46789600.

It is not an unprimeable number, because it can be changed into a prime (46789649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584831 + ... + 584910.

Almost surely, 2^46789640 is an apocalyptic number.

46789640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46789640 is an abundant number, since it is smaller than the sum of its proper divisors (58487140).

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

46789640 is a wasteful number, since it uses less digits than its factorization.

46789640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169752 (or 1169748 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 46789640 is about 6840.2953152623. The cubic root of 46789640 is about 360.3433966167.

The spelling of 46789640 in words is "forty-six million, seven hundred eighty-nine thousand, six hundred forty".