402449606 has 16 divisors (see below), whose sum is σ = 653522688. Its totient is φ = 184771200.

The previous prime is 402449603. The next prime is 402449609. The reversal of 402449606 is 606944204.

It is an interprime number because it is at equal distance from previous prime (402449603) and next prime (402449609).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402449603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35555 + ... + 45486.

It is an arithmetic number, because the mean of its divisors is an integer number (40845168).

Almost surely, 2^402449606 is an apocalyptic number.

402449606 is a deficient number, since it is larger than the sum of its proper divisors (251073082).

402449606 is a wasteful number, since it uses less digits than its factorization.

402449606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81247.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 402449606 is about 20061.1466770970. The cubic root of 402449606 is about 738.3073107578.

The spelling of 402449606 in words is "four hundred two million, four hundred forty-nine thousand, six hundred six".