246404642 has 12 divisors (see below), whose sum is σ = 406262598. Its totient is φ = 112002000.

The previous prime is 246404633. The next prime is 246404671.

246404642 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 244328161 + 2076481 = 15631^2 + 1441^2 .

It is a junction number, because it is equal to n+sod(n) for n = 246404599 and 246404608.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 508859 + ... + 509342.

Almost surely, 2^246404642 is an apocalyptic number.

246404642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

246404642 is a deficient number, since it is larger than the sum of its proper divisors (159857956).

246404642 is a wasteful number, since it uses less digits than its factorization.

246404642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018225 (or 1018214 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The square root of 246404642 is about 15697.2813569739. The cubic root of 246404642 is about 626.9260197930.

The spelling of 246404642 in words is "two hundred forty-six million, four hundred four thousand, six hundred forty-two".