46401291 has 6 divisors (see below), whose sum is σ = 67024100.
Its totient is φ = 30934188.
The previous prime is 46401283. The next prime is 46401301. The reversal of 46401291 is 19210464.
46401291 is a `hidden beast` number, since 4 + 640 + 12 + 9 + 1 = 666.
It is not a de Polignac number, because 46401291 - 23 = 46401283 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (46401391) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2577841 + ... + 2577858.
Almost surely, 246401291 is an apocalyptic number.
46401291 is a deficient number, since it is larger than the sum of its proper divisors (20622809).
46401291 is a wasteful number, since it uses less digits than its factorization.
46401291 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5155705 (or 5155702 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 46401291 is about 6811.8493083743.
The cubic root of 46401291 is about 359.3436884730.
The spelling of 46401291 in words is "forty-six million, four hundred one thousand, two hundred ninety-one".