46191387 has 12 divisors (see below), whose sum is σ = 67697000. Its totient is φ = 27994560.

The previous prime is 46191377. The next prime is 46191401. The reversal of 46191387 is 78319164.

It is not a de Polignac number, because 46191387 - 2⁶ = 46191323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46191367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63262 + ... + 63987.

Almost surely, 2^46191387 is an apocalyptic number.

46191387 is a deficient number, since it is larger than the sum of its proper divisors (21505613).

46191387 is a wasteful number, since it uses less digits than its factorization.

46191387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127274 (or 127263 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 46191387 is about 6796.4245747305. The cubic root of 46191387 is about 358.8010189392.

It can be divided in two parts, 4619 and 1387, that added together give a palindrome (6006).

The spelling of 46191387 in words is "forty-six million, one hundred ninety-one thousand, three hundred eighty-seven".