94278431 has 4 divisors (see below), whose sum is σ = 101530632. Its totient is φ = 87026232.

The previous prime is 94278421. The next prime is 94278451. The reversal of 94278431 is 13487249.

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 94278431 - 2²⁶ = 27169567 is a prime.

It is a super-2 number, since 2×94278431² = 17776845103643522, 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 (94278421) 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, 3626081 + ... + 3626106.

It is an arithmetic number, because the mean of its divisors is an integer number (25382658).

Almost surely, 2^94278431 is an apocalyptic number.

94278431 is a deficient number, since it is larger than the sum of its proper divisors (7252201).

94278431 is a wasteful number, since it uses less digits than its factorization.

94278431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7252200.

The product of its digits is 48384, while the sum is 38.

The square root of 94278431 is about 9709.7080800609. The cubic root of 94278431 is about 455.1320809641.

The spelling of 94278431 in words is "ninety-four million, two hundred seventy-eight thousand, four hundred thirty-one".