46191949 has 4 divisors (see below), whose sum is σ = 46215036. Its totient is φ = 46168864.

The previous prime is 46191919. The next prime is 46191967. The reversal of 46191949 is 94919164.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34597924 + 11594025 = 5882^2 + 3405^2 .

It is a cyclic number.

It is not a de Polignac number, because 46191949 - 2⁵ = 46191917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46191919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8224 + ... + 12649.

It is an arithmetic number, because the mean of its divisors is an integer number (11553759).

Almost surely, 2^46191949 is an apocalyptic number.

It is an amenable number.

46191949 is a deficient number, since it is larger than the sum of its proper divisors (23087).

46191949 is a wasteful number, since it uses less digits than its factorization.

46191949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23086.

The product of its digits is 69984, while the sum is 43.

The square root of 46191949 is about 6796.4659198734. The cubic root of 46191949 is about 358.8024740832.

The spelling of 46191949 in words is "forty-six million, one hundred ninety-one thousand, nine hundred forty-nine".