46919091 has 16 divisors (see below), whose sum is σ = 63410688. Its totient is φ = 30856800.

The previous prime is 46919083. The next prime is 46919137. The reversal of 46919091 is 19091964.

It is not a de Polignac number, because 46919091 - 2³ = 46919083 is a prime.

It is a super-2 number, since 2×46919091² = 4402802200532562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (46919021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108646 + ... + 109076.

It is an arithmetic number, because the mean of its divisors is an integer number (3963168).

Almost surely, 2^46919091 is an apocalyptic number.

46919091 is a deficient number, since it is larger than the sum of its proper divisors (16491597).

46919091 is a wasteful number, since it uses less digits than its factorization.

46919091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 46919091 is about 6849.7511633635. The cubic root of 46919091 is about 360.6754064407.

The spelling of 46919091 in words is "forty-six million, nine hundred nineteen thousand, ninety-one".