46780989 has 8 divisors (see below), whose sum is σ = 62436192. Its totient is φ = 31156560.

The previous prime is 46780969. The next prime is 46780997. The reversal of 46780989 is 98908764.

It is a happy number.

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

It is not a de Polignac number, because 46780989 - 2⁹ = 46780477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46780949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3874 + ... + 10419.

It is an arithmetic number, because the mean of its divisors is an integer number (7804524).

Almost surely, 2^46780989 is an apocalyptic number.

It is an amenable number.

46780989 is a deficient number, since it is larger than the sum of its proper divisors (15655203).

46780989 is a wasteful number, since it uses less digits than its factorization.

46780989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15387.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 46780989 is about 6839.6629302912. The cubic root of 46780989 is about 360.3211871214.

The spelling of 46780989 in words is "forty-six million, seven hundred eighty thousand, nine hundred eighty-nine".