8457002 has 4 divisors (see below), whose sum is σ = 12685506. Its totient is φ = 4228500.

The previous prime is 8456999. The next prime is 8457019. The reversal of 8457002 is 2007548.

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

It can be written as a sum of positive squares in only one way, i.e., 4532641 + 3924361 = 2129^2 + 1981^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2114249 + ... + 2114252.

Almost surely, 2^8457002 is an apocalyptic number.

8457002 is a deficient number, since it is larger than the sum of its proper divisors (4228504).

8457002 is a wasteful number, since it uses less digits than its factorization.

8457002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4228503.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 8457002 is about 2908.0925019676. The cubic root of 8457002 is about 203.7380496585.

The spelling of 8457002 in words is "eight million, four hundred fifty-seven thousand, two".