403948402 has 32 divisors (see below), whose sum is σ = 742815360. Its totient is φ = 162117120.

The previous prime is 403948399. The next prime is 403948403. The reversal of 403948402 is 204849304.

It is a super-2 number, since 2×403948402² = 326348622956707208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (403948403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24127 + ... + 37282.

It is an arithmetic number, because the mean of its divisors is an integer number (23212980).

Almost surely, 2^403948402 is an apocalyptic number.

403948402 is a deficient number, since it is larger than the sum of its proper divisors (338866958).

403948402 is a wasteful number, since it uses less digits than its factorization.

403948402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61458.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 403948402 is about 20098.4676530327. The cubic root of 403948402 is about 739.2227058536. Note that the first 3 decimals are identical.

It can be divided in two parts, 4039 and 48402, that added together give a square (52441 = 229²).

The spelling of 403948402 in words is "four hundred three million, nine hundred forty-eight thousand, four hundred two".