46216381 has 8 divisors (see below), whose sum is σ = 47867904. Its totient is φ = 44574960.

The previous prime is 46216349. The next prime is 46216427. The reversal of 46216381 is 18361264.

It is a happy number.

46216381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 46216381 - 2⁵ = 46216349 is a prime.

It is a super-2 number, since 2×46216381² = 4271907745474322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46213381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7476 + ... + 12178.

It is an arithmetic number, because the mean of its divisors is an integer number (5983488).

Almost surely, 2^46216381 is an apocalyptic number.

It is an amenable number.

46216381 is a deficient number, since it is larger than the sum of its proper divisors (1651523).

46216381 is a wasteful number, since it uses less digits than its factorization.

46216381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051.

The product of its digits is 6912, while the sum is 31.

The square root of 46216381 is about 6798.2630869951. The cubic root of 46216381 is about 358.8657226011.

The spelling of 46216381 in words is "forty-six million, two hundred sixteen thousand, three hundred eighty-one".