46409381 has 4 divisors (see below), whose sum is σ = 48852000. Its totient is φ = 43966764.

The previous prime is 46409329. The next prime is 46409383. The reversal of 46409381 is 18390464.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 46409381 - 2¹⁰ = 46408357 is a prime.

It is a super-2 number, since 2×46409381² = 4307661289606322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46409383) 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, 1221281 + ... + 1221318.

It is an arithmetic number, because the mean of its divisors is an integer number (12213000).

Almost surely, 2^46409381 is an apocalyptic number.

It is an amenable number.

46409381 is a deficient number, since it is larger than the sum of its proper divisors (2442619).

46409381 is a wasteful number, since it uses less digits than its factorization.

46409381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442618.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 46409381 is about 6812.4431006798. The cubic root of 46409381 is about 359.3645709488.

The spelling of 46409381 in words is "forty-six million, four hundred nine thousand, three hundred eighty-one".