46639000 has 32 divisors (see below), whose sum is σ = 109137600. Its totient is φ = 18655200.

The previous prime is 46638997. The next prime is 46639001. The reversal of 46639000 is 93664.

It is a self number, because there is not a number n which added to its sum of digits gives 46639000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46639001) 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, 22320 + ... + 24319.

It is an arithmetic number, because the mean of its divisors is an integer number (3410550).

Almost surely, 2^46639000 is an apocalyptic number.

46639000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46639000 is an abundant number, since it is smaller than the sum of its proper divisors (62498600).

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

46639000 is a wasteful number, since it uses less digits than its factorization.

46639000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46660 (or 46646 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 46639000 is about 6829.2752177665. The cubic root of 46639000 is about 359.9562704085.

The spelling of 46639000 in words is "forty-six million, six hundred thirty-nine thousand".