425190986 has 8 divisors (see below), whose sum is σ = 695767104. Its totient is φ = 193268620.

The previous prime is 425190979. The next prime is 425190991. The reversal of 425190986 is 689091524.

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, 9663410 + ... + 9663453.

It is an arithmetic number, because the mean of its divisors is an integer number (86970888).

Almost surely, 2^425190986 is an apocalyptic number.

425190986 is a deficient number, since it is larger than the sum of its proper divisors (270576118).

425190986 is a wasteful number, since it uses less digits than its factorization.

425190986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19326876.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 425190986 is about 20620.1596987026. The cubic root of 425190986 is about 751.9599026549.

The spelling of 425190986 in words is "four hundred twenty-five million, one hundred ninety thousand, nine hundred eighty-six".