397409702 has 8 divisors (see below), whose sum is σ = 596437776. Its totient is φ = 198597112.

The previous prime is 397409687. The next prime is 397409713. The reversal of 397409702 is 207904793.

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

It is a self number, because there is not a number n which added to its sum of digits gives 397409702.

It is a congruent number.

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, 49178 + ... + 56685.

It is an arithmetic number, because the mean of its divisors is an integer number (74554722).

Almost surely, 2^397409702 is an apocalyptic number.

397409702 is a deficient number, since it is larger than the sum of its proper divisors (199028074).

397409702 is a wasteful number, since it uses less digits than its factorization.

397409702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107742.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 397409702 is about 19935.1373709839. The cubic root of 397409702 is about 735.2123976225.

The spelling of 397409702 in words is "three hundred ninety-seven million, four hundred nine thousand, seven hundred two".