975421396 has 6 divisors (see below), whose sum is σ = 1706987450. Its totient is φ = 487710696.

The previous prime is 975421387. The next prime is 975421423. The reversal of 975421396 is 693124579.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 925011396 + 50410000 = 30414^2 + 7100^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121927671 + ... + 121927678.

Almost surely, 2^975421396 is an apocalyptic number.

It is an amenable number.

975421396 is a deficient number, since it is larger than the sum of its proper divisors (731566054).

975421396 is a wasteful number, since it uses less digits than its factorization.

975421396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243855353 (or 243855351 counting only the distinct ones).

The product of its digits is 408240, while the sum is 46.

The square root of 975421396 is about 31231.7369994049. The cubic root of 975421396 is about 991.7390770686.

The spelling of 975421396 in words is "nine hundred seventy-five million, four hundred twenty-one thousand, three hundred ninety-six".