46209231 has 16 divisors (see below), whose sum is σ = 71435520. Its totient is φ = 29466360.

The previous prime is 46209181. The next prime is 46209239. The reversal of 46209231 is 13290264.

46209231 is a `hidden beast` number, since 4 + 620 + 9 + 2 + 31 = 666.

It is not a de Polignac number, because 46209231 - 2¹⁴ = 46192847 is a prime.

It is a super-2 number, since 2×46209231² = 4270586059222722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 46209195 and 46209204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46209239) 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, 36585 + ... + 37826.

It is an arithmetic number, because the mean of its divisors is an integer number (4464720).

Almost surely, 2^46209231 is an apocalyptic number.

46209231 is a deficient number, since it is larger than the sum of its proper divisors (25226289).

46209231 is a wasteful number, since it uses less digits than its factorization.

46209231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74443 (or 74437 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 46209231 is about 6797.7371970384. The cubic root of 46209231 is about 358.8472152942.

Adding to 46209231 its reverse (13290264), we get a palindrome (59499495).

The spelling of 46209231 in words is "forty-six million, two hundred nine thousand, two hundred thirty-one".