402084706 has 4 divisors (see below), whose sum is σ = 603127062. Its totient is φ = 201042352.

The previous prime is 402084703. The next prime is 402084721. The reversal of 402084706 is 607480204.

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., 393030625 + 9054081 = 19825^2 + 3009^2 .

It is a super-2 number, since 2×402084706² = 323344221598212872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (402084703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100521175 + ... + 100521178.

Almost surely, 2^402084706 is an apocalyptic number.

402084706 is a deficient number, since it is larger than the sum of its proper divisors (201042356).

402084706 is a wasteful number, since it uses less digits than its factorization.

402084706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201042355.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 402084706 is about 20052.0499201453. The cubic root of 402084706 is about 738.0841028508.

The spelling of 402084706 in words is "four hundred two million, eighty-four thousand, seven hundred six".