46428681 has 16 divisors (see below), whose sum is σ = 68967360. Its totient is φ = 27585600.

The previous prime is 46428677. The next prime is 46428703. The reversal of 46428681 is 18682464.

It is not a de Polignac number, because 46428681 - 2² = 46428677 is a prime.

It is a super-2 number, since 2×46428681² = 4311244838799522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (46428611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19395 + ... + 21656.

It is an arithmetic number, because the mean of its divisors is an integer number (4310460).

Almost surely, 2^46428681 is an apocalyptic number.

It is an amenable number.

46428681 is a deficient number, since it is larger than the sum of its proper divisors (22538679).

46428681 is a wasteful number, since it uses less digits than its factorization.

46428681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41096.

The product of its digits is 73728, while the sum is 39.

The square root of 46428681 is about 6813.8594790324. The cubic root of 46428681 is about 359.4143796645.

The spelling of 46428681 in words is "forty-six million, four hundred twenty-eight thousand, six hundred eighty-one".