46991946 has 16 divisors (see below), whose sum is σ = 94051584. Its totient is φ = 15652704.

The previous prime is 46991929. The next prime is 46991953. The reversal of 46991946 is 64919964.

It is a junction number, because it is equal to n+sod(n) for n = 46991895 and 46991904.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13255 + ... + 16421.

It is an arithmetic number, because the mean of its divisors is an integer number (5878224).

Almost surely, 2^46991946 is an apocalyptic number.

46991946 is an abundant number, since it is smaller than the sum of its proper divisors (47059638).

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

46991946 is a wasteful number, since it uses less digits than its factorization.

46991946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5645.

The product of its digits is 419904, while the sum is 48.

The square root of 46991946 is about 6855.0671769137. The cubic root of 46991946 is about 360.8619930170.

It can be divided in two parts, 469919 and 46, that added together give a triangular number (469965 = T₉₆₉).

The spelling of 46991946 in words is "forty-six million, nine hundred ninety-one thousand, nine hundred forty-six".