997103412 has 48 divisors (see below), whose sum is σ = 2607991680. Its totient is φ = 329422464.

The previous prime is 997103369. The next prime is 997103453. The reversal of 997103412 is 214301799.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28648 + ... + 53055.

It is an arithmetic number, because the mean of its divisors is an integer number (54333160).

Almost surely, 2^997103412 is an apocalyptic number.

It is an amenable number.

997103412 is an abundant number, since it is smaller than the sum of its proper divisors (1610888268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

997103412 is a wasteful number, since it uses less digits than its factorization.

997103412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81829 (or 81821 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 997103412 is about 31576.9443106834. The cubic root of 997103412 is about 999.0335369167.

The spelling of 997103412 in words is "nine hundred ninety-seven million, one hundred three thousand, four hundred twelve".