85490302 has 4 divisors (see below), whose sum is σ = 128235456. Its totient is φ = 42745150.

The previous prime is 85490299. The next prime is 85490359. The reversal of 85490302 is 20309458.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21372574 + ... + 21372577.

It is an arithmetic number, because the mean of its divisors is an integer number (32058864).

Almost surely, 2^85490302 is an apocalyptic number.

85490302 is a deficient number, since it is larger than the sum of its proper divisors (42745154).

85490302 is a wasteful number, since it uses less digits than its factorization.

85490302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42745153.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 85490302 is about 9246.0965818014. The cubic root of 85490302 is about 440.5267486247.

The spelling of 85490302 in words is "eighty-five million, four hundred ninety thousand, three hundred two".