46311780 has 24 divisors (see below), whose sum is σ = 129673152. Its totient is φ = 12349792.

The previous prime is 46311767. The next prime is 46311781. The reversal of 46311780 is 8711364.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (46311781) 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 7 ways as a sum of consecutive naturals, for example, 385872 + ... + 385991.

It is an arithmetic number, because the mean of its divisors is an integer number (5403048).

Almost surely, 2^46311780 is an apocalyptic number.

It is an amenable number.

46311780 is an abundant number, since it is smaller than the sum of its proper divisors (83361372).

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

46311780 is a wasteful number, since it uses less digits than its factorization.

46311780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771875 (or 771873 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 46311780 is about 6805.2758944807. The cubic root of 46311780 is about 359.1124742309.

The spelling of 46311780 in words is "forty-six million, three hundred eleven thousand, seven hundred eighty".