46449639 has 16 divisors (see below), whose sum is σ = 69068800. Its totient is φ = 30851928.

The previous prime is 46449631. The next prime is 46449649. The reversal of 46449639 is 93694464.

It is a happy number.

46449639 is a `hidden beast` number, since 4 + 6 + 4 + 4 + 9 + 639 = 666.

It is not a de Polignac number, because 46449639 - 2³ = 46449631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46449594 and 46449603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46449631) 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, 4602 + ... + 10680.

It is an arithmetic number, because the mean of its divisors is an integer number (4316800).

Almost surely, 2^46449639 is an apocalyptic number.

46449639 is a deficient number, since it is larger than the sum of its proper divisors (22619161).

46449639 is a wasteful number, since it uses less digits than its factorization.

46449639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6371 (or 6365 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 46449639 is about 6815.3972004572. The cubic root of 46449639 is about 359.4684516539.

The spelling of 46449639 in words is "forty-six million, four hundred forty-nine thousand, six hundred thirty-nine".