46491647 has 4 divisors (see below), whose sum is σ = 47748216. Its totient is φ = 45235080.

The previous prime is 46491637. The next prime is 46491649. The reversal of 46491647 is 74619464.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 46491647 - 2²⁰ = 45443071 is a prime.

It is a super-2 number, since 2×46491647² = 4322946481545218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46491649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628229 + ... + 628302.

It is an arithmetic number, because the mean of its divisors is an integer number (11937054).

Almost surely, 2^46491647 is an apocalyptic number.

46491647 is a deficient number, since it is larger than the sum of its proper divisors (1256569).

46491647 is a wasteful number, since it uses less digits than its factorization.

46491647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256568.

The product of its digits is 145152, while the sum is 41.

The square root of 46491647 is about 6818.4783493093. The cubic root of 46491647 is about 359.5767840409.

The spelling of 46491647 in words is "forty-six million, four hundred ninety-one thousand, six hundred forty-seven".