84857426 has 8 divisors (see below), whose sum is σ = 127537740. Its totient is φ = 42344848.

The previous prime is 84857411. The next prime is 84857441. The reversal of 84857426 is 62475848.

It is an interprime number because it is at equal distance from previous prime (84857411) and next prime (84857441).

It can be written as a sum of positive squares in 2 ways, for example, as 80013025 + 4844401 = 8945^2 + 2201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40661 + ... + 42696.

Almost surely, 2^84857426 is an apocalyptic number.

84857426 is a deficient number, since it is larger than the sum of its proper divisors (42680314).

84857426 is a wasteful number, since it uses less digits than its factorization.

84857426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83868.

The product of its digits is 430080, while the sum is 44.

The square root of 84857426 is about 9211.8090514296. The cubic root of 84857426 is about 439.4369968573.

The spelling of 84857426 in words is "eighty-four million, eight hundred fifty-seven thousand, four hundred twenty-six".