400300946 has 4 divisors (see below), whose sum is σ = 600451422. Its totient is φ = 200150472.

The previous prime is 400300933. The next prime is 400300969. The reversal of 400300946 is 649003004.

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., 337273225 + 63027721 = 18365^2 + 7939^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100075235 + ... + 100075238.

Almost surely, 2^400300946 is an apocalyptic number.

400300946 is a deficient number, since it is larger than the sum of its proper divisors (200150476).

400300946 is a wasteful number, since it uses less digits than its factorization.

400300946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200150475.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 400300946 is about 20007.5222353994. The cubic root of 400300946 is about 736.9910358301.

The spelling of 400300946 in words is "four hundred million, three hundred thousand, nine hundred forty-six".