46908021 has 16 divisors (see below), whose sum is σ = 65090304. Its totient is φ = 30024384.

The previous prime is 46908019. The next prime is 46908023. The reversal of 46908021 is 12080964.

It is an interprime number because it is at equal distance from previous prime (46908019) and next prime (46908023).

It is not a de Polignac number, because 46908021 - 2¹ = 46908019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46908021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46908023) 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, 4335 + ... + 10611.

It is an arithmetic number, because the mean of its divisors is an integer number (4068144).

Almost surely, 2^46908021 is an apocalyptic number.

It is an amenable number.

46908021 is a deficient number, since it is larger than the sum of its proper divisors (18182283).

46908021 is a wasteful number, since it uses less digits than its factorization.

46908021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6380.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 46908021 is about 6848.9430571439. The cubic root of 46908021 is about 360.6470385225.

Adding to 46908021 its reverse (12080964), we get a palindrome (58988985).

The spelling of 46908021 in words is "forty-six million, nine hundred eight thousand, twenty-one".